864080604 has 36 divisors (see below), whose sum is σ = 2197618696. Its totient is φ = 286257888.

The previous prime is 864080593. The next prime is 864080611. The reversal of 864080604 is 406080468.

864080604 is a `hidden beast` number, since 8 + 6 + 40 + 8 + 0 + 604 = 666.

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 67759 + ... + 79494.

Almost surely, 2^864080604 is an apocalyptic number.

It is an amenable number.

864080604 is an abundant number, since it is smaller than the sum of its proper divisors (1333538092).

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

864080604 is a wasteful number, since it uses less digits than its factorization.

864080604 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 147426 (or 147421 counting only the distinct ones).

The product of its (nonzero) digits is 36864, while the sum is 36.

The square root of 864080604 is about 29395.2479833051. The cubic root of 864080604 is about 952.4702485179.

The spelling of 864080604 in words is "eight hundred sixty-four million, eighty thousand, six hundred four".