15314864 has 20 divisors (see below), whose sum is σ = 29963856. Its totient is φ = 7582272.

The previous prime is 15314863. The next prime is 15314921. The reversal of 15314864 is 46841351.

It is a self number, because there is not a number n which added to its sum of digits gives 15314864.

It is not an unprimeable number, because it can be changed into a prime (15314863) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2999 + ... + 6294.

Almost surely, 2^15314864 is an apocalyptic number.

It is an amenable number.

15314864 is a deficient number, since it is larger than the sum of its proper divisors (14648992).

15314864 is a wasteful number, since it uses less digits than its factorization.

15314864 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9404 (or 9398 counting only the distinct ones).

The product of its digits is 11520, while the sum is 32.

The square root of 15314864 is about 3913.4210098071. The cubic root of 15314864 is about 248.3348753964.

The spelling of 15314864 in words is "fifteen million, three hundred fourteen thousand, eight hundred sixty-four".