14977864 has 24 divisors (see below), whose sum is σ = 30870630. Its totient is φ = 6807680.

The previous prime is 14977843. The next prime is 14977873. The reversal of 14977864 is 46877941.

It can be written as a sum of positive squares in only one way, i.e., 13176900 + 1800964 = 3630^2 + 1342^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 6769 + ... + 8704.

Almost surely, 2^14977864 is an apocalyptic number.

It is an amenable number.

14977864 is an abundant number, since it is smaller than the sum of its proper divisors (15892766).

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

14977864 is a wasteful number, since it uses less digits than its factorization.

14977864 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15501 (or 15486 counting only the distinct ones).

The product of its digits is 338688, while the sum is 46.

The square root of 14977864 is about 3870.1245457995. The cubic root of 14977864 is about 246.4998319954.

The spelling of 14977864 in words is "fourteen million, nine hundred seventy-seven thousand, eight hundred sixty-four".