864086924 has 12 divisors (see below), whose sum is σ = 1513499400. Its totient is φ = 431658528.

The previous prime is 864086887. The next prime is 864086947. The reversal of 864086924 is 429680468.

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, 91154 + ... + 100185.

It is an arithmetic number, because the mean of its divisors is an integer number (126124950).

Almost surely, 2^864086924 is an apocalyptic number.

It is an amenable number.

864086924 is a deficient number, since it is larger than the sum of its proper divisors (649412476).

864086924 is a wasteful number, since it uses less digits than its factorization.

864086924 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 192472 (or 192470 counting only the distinct ones).

The product of its (nonzero) digits is 663552, while the sum is 47.

The square root of 864086924 is about 29395.3554834773. The cubic root of 864086924 is about 952.4725706767.

The spelling of 864086924 in words is "eight hundred sixty-four million, eighty-six thousand, nine hundred twenty-four".