19679996 has 24 divisors (see below), whose sum is σ = 41072640. Its totient is φ = 8067312.

The previous prime is 19679987. The next prime is 19680007. The reversal of 19679996 is 69997691.

It is a happy number.

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, 14636 + ... + 15923.

It is an arithmetic number, because the mean of its divisors is an integer number (1711360).

Almost surely, 2^19679996 is an apocalyptic number.

It is an amenable number.

19679996 is an abundant number, since it is smaller than the sum of its proper divisors (21392644).

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

19679996 is a wasteful number, since it uses less digits than its factorization.

19679996 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30593 (or 30591 counting only the distinct ones).

The product of its digits is 1653372, while the sum is 56.

The square root of 19679996 is about 4436.2141517289. The cubic root of 19679996 is about 269.9862635901.

The spelling of 19679996 in words is "nineteen million, six hundred seventy-nine thousand, nine hundred ninety-six".