It is possible to find out using mathematical methods whether a given integer is a prime number or not.
No, 494 474 is not a prime number.
For example, 494 474 can be divided by 2: 494 474 / 2 = 247 237.
For 494 474 to be a prime number, it would have been required that 494 474 has only two divisors, i.e., itself and 1.
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494 474 is an even number, because it is evenly divisible by 2: 494 474 / 2 = 247 237.
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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 494 474 is about 703.188.
Thus, the square root of 494 474 is not an integer, and therefore 494 474 is not a square number.
The square of a number (here 494 474) is the result of the product of this number (494 474) by itself (i.e., 494 474 × 494 474); the square of 494 474 is sometimes called "raising 494 474 to the power 2", or "494 474 squared".
The square of 494 474 is 244 504 536 676 because 494 474 × 494 474 = 494 4742 = 244 504 536 676.
As a consequence, 494 474 is the square root of 244 504 536 676.
The multiples of 494 474 are all integers evenly divisible by 494 474, that is all numbers such that the remainder of the division by 494 474 is zero. There are infinitely many multiples of 494 474. The smallest multiples of 494 474 are: