15996408 has 32 divisors (see below), whose sum is σ = 41731200. Its totient is φ = 5100128.

The previous prime is 15996391. The next prime is 15996427. The reversal of 15996408 is 80469951.

It is a self number, because there is not a number n which added to its sum of digits gives 15996408.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 13938 + ... + 15041.

It is an arithmetic number, because the mean of its divisors is an integer number (1304100).

Almost surely, 2^15996408 is an apocalyptic number.

It is an amenable number.

15996408 is an abundant number, since it is smaller than the sum of its proper divisors (25734792).

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

15996408 is a wasteful number, since it uses less digits than its factorization.

15996408 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29011 (or 29007 counting only the distinct ones).

The product of its (nonzero) digits is 77760, while the sum is 42.

The square root of 15996408 is about 3999.5509747970. The cubic root of 15996408 is about 251.9653517493.

The spelling of 15996408 in words is "fifteen million, nine hundred ninety-six thousand, four hundred eight".