19992796 has 12 divisors (see below), whose sum is σ = 36508752. Its totient is φ = 9561728.

The previous prime is 19992793. The next prime is 19992809. The reversal of 19992796 is 69729991.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (19992793) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 108565 + ... + 108748.

It is an arithmetic number, because the mean of its divisors is an integer number (3042396).

Almost surely, 2^19992796 is an apocalyptic number.

It is an amenable number.

19992796 is a deficient number, since it is larger than the sum of its proper divisors (16515956).

19992796 is a wasteful number, since it uses less digits than its factorization.

19992796 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 217340 (or 217338 counting only the distinct ones).

The product of its digits is 551124, while the sum is 52.

The square root of 19992796 is about 4471.3304507719. The cubic root of 19992796 is about 271.4091666381.

The spelling of 19992796 in words is "nineteen million, nine hundred ninety-two thousand, seven hundred ninety-six".