864704 has 28 divisors (see below), whose sum is σ = 1752600. Its totient is φ = 423168.

The previous prime is 864691. The next prime is 864707. The reversal of 864704 is 407468.

It is a hoax number, since the sum of its digits (29) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (864707) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3662 + ... + 3890.

2⁸⁶⁴⁷⁰⁴ is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 864704, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (876300).

864704 is an abundant number, since it is smaller than the sum of its proper divisors (887896).

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

864704 is a wasteful number, since it uses less digits than its factorization.

864704 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 300 (or 290 counting only the distinct ones).

The product of its (nonzero) digits is 5376, while the sum is 29.

The square root of 864704 is about 929.8946176853. The cubic root of 864704 is about 95.2699248531.

The spelling of 864704 in words is "eight hundred sixty-four thousand, seven hundred four".