507864 has 32 divisors (see below), whose sum is σ = 1451520. Its totient is φ = 145056.

The previous prime is 507839. The next prime is 507883. The reversal of 507864 is 468705.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1344 + ... + 1679.

It is an arithmetic number, because the mean of its divisors is an integer number (45360).

2⁵⁰⁷⁸⁶⁴ is an apocalyptic number.

It is an amenable number.

507864 is an abundant number, since it is smaller than the sum of its proper divisors (943656).

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

507864 is a wasteful number, since it uses less digits than its factorization.

507864 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3039 (or 3035 counting only the distinct ones).

The product of its (nonzero) digits is 6720, while the sum is 30.

The square root of 507864 is about 712.6457745612. The cubic root of 507864 is about 79.7840006618.

The spelling of 507864 in words is "five hundred seven thousand, eight hundred sixty-four".