It is possible to find out using mathematical methods whether a given integer is a prime number or not.
No, 488 438 is not a prime number.
For example, 488 438 can be divided by 2: 488 438 / 2 = 244 219.
For 488 438 to be a prime number, it would have been required that 488 438 has only two divisors, i.e., itself and 1.
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488 438 is an even number, because it is evenly divisible by 2: 488 438 / 2 = 244 219.
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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 488 438 is about 698.883.
Thus, the square root of 488 438 is not an integer, and therefore 488 438 is not a square number.
The square of a number (here 488 438) is the result of the product of this number (488 438) by itself (i.e., 488 438 × 488 438); the square of 488 438 is sometimes called "raising 488 438 to the power 2", or "488 438 squared".
The square of 488 438 is 238 571 679 844 because 488 438 × 488 438 = 488 4382 = 238 571 679 844.
As a consequence, 488 438 is the square root of 238 571 679 844.
The multiples of 488 438 are all integers evenly divisible by 488 438, that is all numbers such that the remainder of the division by 488 438 is zero. There are infinitely many multiples of 488 438. The smallest multiples of 488 438 are: