864903004 has 24 divisors (see below), whose sum is σ = 1736204288. Its totient is φ = 369301680.

The previous prime is 864902993. The next prime is 864903019. The reversal of 864903004 is 400309468.

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, 49404 + ... + 64579.

Almost surely, 2^864903004 is an apocalyptic number.

It is an amenable number.

864903004 is an abundant number, since it is smaller than the sum of its proper divisors (871301284).

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

864903004 is a wasteful number, since it uses less digits than its factorization.

864903004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 114265 (or 114263 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 34.

The square root of 864903004 is about 29409.2333120059. The cubic root of 864903004 is about 952.7723280350.

The spelling of 864903004 in words is "eight hundred sixty-four million, nine hundred three thousand, four".