864320960 has 56 divisors (see below), whose sum is σ = 2060691840. Its totient is φ = 345304064.

The previous prime is 864320921. The next prime is 864320969. The reversal of 864320960 is 69023468.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (864320969) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 459542 + ... + 461418.

Almost surely, 2^864320960 is an apocalyptic number.

864320960 is a gapful number since it is divisible by the number (80) formed by its first and last digit.

It is an amenable number.

864320960 is an abundant number, since it is smaller than the sum of its proper divisors (1196370880).

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

864320960 is a wasteful number, since it uses less digits than its factorization.

864320960 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3333 (or 3323 counting only the distinct ones).

The product of its (nonzero) digits is 62208, while the sum is 38.

The square root of 864320960 is about 29399.3360469246. The cubic root of 864320960 is about 952.5585545989.

The spelling of 864320960 in words is "eight hundred sixty-four million, three hundred twenty thousand, nine hundred sixty".