16399896 has 32 divisors (see below), whose sum is σ = 41776560. Its totient is φ = 5363072.

The previous prime is 16399871. The next prime is 16399909. The reversal of 16399896 is 69899361.

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, 5175 + ... + 7718.

Almost surely, 2^16399896 is an apocalyptic number.

It is an amenable number.

16399896 is an abundant number, since it is smaller than the sum of its proper divisors (25376664).

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

16399896 is a wasteful number, since it uses less digits than its factorization.

16399896 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12955 (or 12951 counting only the distinct ones).

The product of its digits is 629856, while the sum is 51.

The square root of 16399896 is about 4049.6785057582. The cubic root of 16399896 is about 254.0662815015.

The spelling of 16399896 in words is "sixteen million, three hundred ninety-nine thousand, eight hundred ninety-six".