864740312 has 32 divisors (see below), whose sum is σ = 1713150000. Its totient is φ = 408071808.

The previous prime is 864740249. The next prime is 864740323. The reversal of 864740312 is 213047468.

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, 30314 + ... + 51462.

Almost surely, 2^864740312 is an apocalyptic number.

It is an amenable number.

864740312 is a deficient number, since it is larger than the sum of its proper divisors (848409688).

864740312 is a wasteful number, since it uses less digits than its factorization.

864740312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21443 (or 21439 counting only the distinct ones).

The product of its (nonzero) digits is 32256, while the sum is 35.

The square root of 864740312 is about 29406.4671798569. The cubic root of 864740312 is about 952.7125840887.

The spelling of 864740312 in words is "eight hundred sixty-four million, seven hundred forty thousand, three hundred twelve".