864700 has 18 divisors (see below), whose sum is σ = 1876616. Its totient is φ = 345840.

The previous prime is 864691. The next prime is 864707. The reversal of 864700 is 7468.

It is a Harshad number since it is a multiple of its sum of digits (25).

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 pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 4224 + ... + 4423.

2⁸⁶⁴⁷⁰⁰ is an apocalyptic number.

It is an amenable number.

864700 is an abundant number, since it is smaller than the sum of its proper divisors (1011916).

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

864700 is a wasteful number, since it uses less digits than its factorization.

864700 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8661 (or 8654 counting only the distinct ones).

The product of its (nonzero) digits is 1344, while the sum is 25.

The square root of 864700 is about 929.8924669014. The cubic root of 864700 is about 95.2697779511.

The spelling of 864700 in words is "eight hundred sixty-four thousand, seven hundred".