864924 has 12 divisors (see below), whose sum is σ = 2018184. Its totient is φ = 288304.

The previous prime is 864917. The next prime is 864947. The reversal of 864924 is 429468.

864924 is digitally balanced in base 2, 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 a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 864924.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 36027 + ... + 36050.

It is an arithmetic number, because the mean of its divisors is an integer number (168182).

2⁸⁶⁴⁹²⁴ is an apocalyptic number.

It is an amenable number.

864924 is an abundant number, since it is smaller than the sum of its proper divisors (1153260).

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

864924 is a wasteful number, since it uses less digits than its factorization.

864924 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 72084 (or 72082 counting only the distinct ones).

The product of its digits is 13824, while the sum is 33.

The square root of 864924 is about 930.0129031363. The cubic root of 864924 is about 95.2780037665.

The spelling of 864924 in words is "eight hundred sixty-four thousand, nine hundred twenty-four".