13984864 has 24 divisors (see below), whose sum is σ = 27811728. Its totient is φ = 6921600.

The previous prime is 13984849. The next prime is 13984871. The reversal of 13984864 is 46848931.

It is a self number, because there is not a number n which added to its sum of digits gives 13984864.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1069 + ... + 5395.

It is an arithmetic number, because the mean of its divisors is an integer number (1158822).

Almost surely, 2^13984864 is an apocalyptic number.

It is an amenable number.

13984864 is a deficient number, since it is larger than the sum of its proper divisors (13826864).

13984864 is a wasteful number, since it uses less digits than its factorization.

13984864 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4438 (or 4430 counting only the distinct ones).

The product of its digits is 165888, while the sum is 43.

The square root of 13984864 is about 3739.6342067106. The cubic root of 13984864 is about 240.9273381607.

The spelling of 13984864 in words is "thirteen million, nine hundred eighty-four thousand, eight hundred sixty-four".