It is possible to find out using mathematical methods whether a given integer is a prime number or not.
No, 498 708 is not a prime number.
For example, 498 708 can be divided by 2: 498 708 / 2 = 249 354.
For 498 708 to be a prime number, it would have been required that 498 708 has only two divisors, i.e., itself and 1.
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498 708 is an even number, because it is evenly divisible by 2: 498 708 / 2 = 249 354.
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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 498 708 is about 706.193.
Thus, the square root of 498 708 is not an integer, and therefore 498 708 is not a square number.
The square of a number (here 498 708) is the result of the product of this number (498 708) by itself (i.e., 498 708 × 498 708); the square of 498 708 is sometimes called "raising 498 708 to the power 2", or "498 708 squared".
The square of 498 708 is 248 709 669 264 because 498 708 × 498 708 = 498 7082 = 248 709 669 264.
As a consequence, 498 708 is the square root of 248 709 669 264.
The multiples of 498 708 are all integers evenly divisible by 498 708, that is all numbers such that the remainder of the division by 498 708 is zero. There are infinitely many multiples of 498 708. The smallest multiples of 498 708 are: