507684 has 12 divisors (see below), whose sum is σ = 1184624. Its totient is φ = 169224.

The previous prime is 507673. The next prime is 507691. The reversal of 507684 is 486705.

It is a happy number.

507684 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (12).

It is an unprimeable number.

507684 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, 21142 + ... + 21165.

2⁵⁰⁷⁶⁸⁴ is an apocalyptic number.

It is an amenable number.

507684 is an abundant number, since it is smaller than the sum of its proper divisors (676940).

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

507684 is a wasteful number, since it uses less digits than its factorization.

507684 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42314 (or 42312 counting only the distinct ones).

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

The square root of 507684 is about 712.5194734181. The cubic root of 507684 is about 79.7745737174.

The spelling of 507684 in words is "five hundred seven thousand, six hundred eighty-four".