508388 has 12 divisors (see below), whose sum is σ = 896700. Its totient is φ = 252192.

The previous prime is 508373. The next prime is 508393. The reversal of 508388 is 883805.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 43264 + 465124 = 208^2 + 682^2 .

It is a hoax number, since the sum of its digits (32) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

508388 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 170 + ... + 1022.

It is an arithmetic number, because the mean of its divisors is an integer number (74725).

2⁵⁰⁸³⁸⁸ is an apocalyptic number.

It is an amenable number.

508388 is a deficient number, since it is larger than the sum of its proper divisors (388312).

508388 is a wasteful number, since it uses less digits than its factorization.

508388 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1006 (or 1004 counting only the distinct ones).

The product of its (nonzero) digits is 7680, while the sum is 32.

The square root of 508388 is about 713.0133238587. The cubic root of 508388 is about 79.8114308703.

The spelling of 508388 in words is "five hundred eight thousand, three hundred eighty-eight".