It is possible to find out using mathematical methods whether a given integer is a prime number or not.
No, 396 267 474 is not a prime number.
For example, 396 267 474 can be divided by 2: 396 267 474 / 2 = 198 133 737.
For 396 267 474 to be a prime number, it would have been required that 396 267 474 has only two divisors, i.e., itself and 1.
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396 267 474 is an even number, because it is evenly divisible by 2: 396 267 474 / 2 = 198 133 737.
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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 396 267 474 is about 19 906.468.
Thus, the square root of 396 267 474 is not an integer, and therefore 396 267 474 is not a square number.
The square of a number (here 396 267 474) is the result of the product of this number (396 267 474) by itself (i.e., 396 267 474 × 396 267 474); the square of 396 267 474 is sometimes called "raising 396 267 474 to the power 2", or "396 267 474 squared".
The square of 396 267 474 is 157 027 910 950 340 672 because 396 267 474 × 396 267 474 = 396 267 4742 = 157 027 910 950 340 672.
As a consequence, 396 267 474 is the square root of 157 027 910 950 340 672.
396 267 474 is a number with 9 digits.
The multiples of 396 267 474 are all integers evenly divisible by 396 267 474, that is all numbers such that the remainder of the division by 396 267 474 is zero. There are infinitely many multiples of 396 267 474. The smallest multiples of 396 267 474 are: