864285156 has 36 divisors (see below), whose sum is σ = 2496824512. Its totient is φ = 246938544.

The previous prime is 864285067. The next prime is 864285199. The reversal of 864285156 is 651582468.

It is a tau number, because it is divible by the number of its divisors (36).

It is a Smith number, since the sum of its digits (45) coincides with the sum of the digits of its prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1714600 + ... + 1715103.

Almost surely, 2^864285156 is an apocalyptic number.

It is an amenable number.

864285156 is an abundant number, since it is smaller than the sum of its proper divisors (1632539356).

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

864285156 is a wasteful number, since it uses less digits than its factorization.

864285156 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3429720 (or 3429715 counting only the distinct ones).

The product of its digits is 460800, while the sum is 45.

The square root of 864285156 is about 29398.7271153021. The cubic root of 864285156 is about 952.5454013534.

The spelling of 864285156 in words is "eight hundred sixty-four million, two hundred eighty-five thousand, one hundred fifty-six".