864470 has 16 divisors (see below), whose sum is σ = 1569888. Its totient is φ = 342720.

The previous prime is 864449. The next prime is 864491. The reversal of 864470 is 74468.

864470 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (864449) and next prime (864491).

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, 1055 + ... + 1685.

It is an arithmetic number, because the mean of its divisors is an integer number (98118).

2⁸⁶⁴⁴⁷⁰ is an apocalyptic number.

864470 is a deficient number, since it is larger than the sum of its proper divisors (705418).

864470 is a wasteful number, since it uses less digits than its factorization.

864470 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 775.

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

The square root of 864470 is about 929.7687884630. The cubic root of 864470 is about 95.2613303230.

The spelling of 864470 in words is "eight hundred sixty-four thousand, four hundred seventy".