13855984 has 20 divisors (see below), whose sum is σ = 27216016. Its totient is φ = 6832512.

The previous prime is 13855981. The next prime is 13856009. The reversal of 13855984 is 48955831.

It is a self number, because there is not a number n which added to its sum of digits gives 13855984.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13855981) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4764 + ... + 7099.

Almost surely, 2^13855984 is an apocalyptic number.

It is an amenable number.

13855984 is a deficient number, since it is larger than the sum of its proper divisors (13360032).

13855984 is a wasteful number, since it uses less digits than its factorization.

13855984 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11944 (or 11938 counting only the distinct ones).

The product of its digits is 172800, while the sum is 43.

The square root of 13855984 is about 3722.3626905502. The cubic root of 13855984 is about 240.1849500288.

The spelling of 13855984 in words is "thirteen million, eight hundred fifty-five thousand, nine hundred eighty-four".