It is possible to find out using mathematical methods whether a given integer is a prime number or not.
No, 489 024 is not a prime number.
For example, 489 024 can be divided by 2: 489 024 / 2 = 244 512.
For 489 024 to be a prime number, it would have been required that 489 024 has only two divisors, i.e., itself and 1.
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489 024 is an even number, because it is evenly divisible by 2: 489 024 / 2 = 244 512.
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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 489 024 is about 699.303.
Thus, the square root of 489 024 is not an integer, and therefore 489 024 is not a square number.
The square of a number (here 489 024) is the result of the product of this number (489 024) by itself (i.e., 489 024 × 489 024); the square of 489 024 is sometimes called "raising 489 024 to the power 2", or "489 024 squared".
The square of 489 024 is 239 144 472 576 because 489 024 × 489 024 = 489 0242 = 239 144 472 576.
As a consequence, 489 024 is the square root of 239 144 472 576.
The multiples of 489 024 are all integers evenly divisible by 489 024, that is all numbers such that the remainder of the division by 489 024 is zero. There are infinitely many multiples of 489 024. The smallest multiples of 489 024 are: