508690 has 48 divisors (see below), whose sum is σ = 1159488. Its totient is φ = 157248.

The previous prime is 508661. The next prime is 508693. The reversal of 508690 is 96805.

508690 = 25² + 26² + ... + 115².

It is a super-2 number, since 2×508690² = 517531032200, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (508693) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 11809 + ... + 11851.

It is an arithmetic number, because the mean of its divisors is an integer number (24156).

2⁵⁰⁸⁶⁹⁰ is an apocalyptic number.

508690 is an abundant number, since it is smaller than the sum of its proper divisors (650798).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

508690 is a wasteful number, since it uses less digits than its factorization.

508690 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 83 (or 70 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 28.

The square root of 508690 is about 713.2250696660. The cubic root of 508690 is about 79.8272313226.

The spelling of 508690 in words is "five hundred eight thousand, six hundred ninety".