Is 436 a prime number? What are the divisors of 436?

## Parity of 436

436 is an even number, because it is evenly divisible by 2: 436 / 2 = 218.

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## Is 436 a perfect square number?

A number is a perfect square (or a square number) if its square root is an integer; that is to say, it is the product of an integer with itself. Here, the square root of 436 is about 20.881.

Thus, the square root of 436 is not an integer, and therefore 436 is not a square number.

## What is the square number of 436?

The square of a number (here 436) is the result of the product of this number (436) by itself (i.e., 436 × 436); the square of 436 is sometimes called "raising 436 to the power 2", or "436 squared".

The square of 436 is 190 096 because 436 × 436 = 4362 = 190 096.

As a consequence, 436 is the square root of 190 096.

## Number of digits of 436

436 is a number with 3 digits.

## What are the multiples of 436?

The multiples of 436 are all integers evenly divisible by 436, that is all numbers such that the remainder of the division by 436 is zero. There are infinitely many multiples of 436. The smallest multiples of 436 are:

## How to determine whether an integer is a prime number?

To determine the primality of a number, several algorithms can be used. The most naive technique is to test all divisors strictly smaller to the number of which we want to determine the primality (here 436). First, we can eliminate all even numbers greater than 2 (and hence 4, 6, 8…). Then, we can stop this check when we reach the square root of the number of which we want to determine the primality (here the square root is about 20.881). Historically, the sieve of Eratosthenes (dating from the Greek mathematics) implements this technique in a relatively efficient manner.

More modern techniques include the sieve of Atkin, probabilistic algorithms, and the cyclotomic AKS test.

## Numbers near 436

• Preceding numbers: …434, 435
• Following numbers: 437, 438

### Nearest numbers from 436

• Preceding prime number: 433
• Following prime number: 439
Find out whether some integer is a prime number