It is possible to find out using mathematical methods whether a given integer is a prime number or not.
No, 335 402 is not a prime number.
For example, 335 402 can be divided by 2: 335 402 / 2 = 167 701.
For 335 402 to be a prime number, it would have been required that 335 402 has only two divisors, i.e., itself and 1.
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335 402 is an even number, because it is evenly divisible by 2: 335 402 / 2 = 167 701.
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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 335 402 is about 579.139.
Thus, the square root of 335 402 is not an integer, and therefore 335 402 is not a square number.
The square of a number (here 335 402) is the result of the product of this number (335 402) by itself (i.e., 335 402 × 335 402); the square of 335 402 is sometimes called "raising 335 402 to the power 2", or "335 402 squared".
The square of 335 402 is 112 494 501 604 because 335 402 × 335 402 = 335 4022 = 112 494 501 604.
As a consequence, 335 402 is the square root of 112 494 501 604.
The multiples of 335 402 are all integers evenly divisible by 335 402, that is all numbers such that the remainder of the division by 335 402 is zero. There are infinitely many multiples of 335 402. The smallest multiples of 335 402 are: