19696928 has 24 divisors (see below), whose sum is σ = 39361392. Its totient is φ = 9700416.

The previous prime is 19696909. The next prime is 19696951. The reversal of 19696928 is 82969691.

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, 2450 + ... + 6737.

It is an arithmetic number, because the mean of its divisors is an integer number (1640058).

Almost surely, 2^19696928 is an apocalyptic number.

It is an amenable number.

19696928 is a deficient number, since it is larger than the sum of its proper divisors (19664464).

19696928 is an equidigital number, since it uses as much as digits as its factorization.

19696928 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9264 (or 9256 counting only the distinct ones).

The product of its digits is 419904, while the sum is 50.

The square root of 19696928 is about 4438.1221254039. The cubic root of 19696928 is about 270.0636703981.

The spelling of 19696928 in words is "nineteen million, six hundred ninety-six thousand, nine hundred twenty-eight".