13990384 has 20 divisors (see below), whose sum is σ = 28533640. Its totient is φ = 6626880.

The previous prime is 13990373. The next prime is 13990399. The reversal of 13990384 is 48309931.

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, 22707 + ... + 23314.

It is an arithmetic number, because the mean of its divisors is an integer number (1426682).

Almost surely, 2^13990384 is an apocalyptic number.

It is an amenable number.

13990384 is an abundant number, since it is smaller than the sum of its proper divisors (14543256).

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

13990384 is a wasteful number, since it uses less digits than its factorization.

13990384 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46048 (or 46042 counting only the distinct ones).

The product of its (nonzero) digits is 23328, while the sum is 37.

The square root of 13990384 is about 3740.3721739955. The cubic root of 13990384 is about 240.9590329979.

The spelling of 13990384 in words is "thirteen million, nine hundred ninety thousand, three hundred eighty-four".