864304 has 20 divisors (see below), whose sum is σ = 1914064. Its totient is φ = 370368.

The previous prime is 864301. The next prime is 864307. The reversal of 864304 is 403468.

It is an interprime number because it is at equal distance from previous prime (864301) and next prime (864307).

It is not an unprimeable number, because it can be changed into a prime (864301) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3747 + ... + 3970.

2⁸⁶⁴³⁰⁴ is an apocalyptic number.

It is an amenable number.

864304 is an abundant number, since it is smaller than the sum of its proper divisors (1049760).

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

864304 is a wasteful number, since it uses less digits than its factorization.

864304 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7732 (or 7726 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 25.

The square root of 864304 is about 929.6795146716. The cubic root of 864304 is about 95.2552324082.

The spelling of 864304 in words is "eight hundred sixty-four thousand, three hundred four".