19923796 has 24 divisors (see below), whose sum is σ = 38525760. Its totient is φ = 8967552.

The previous prime is 19923791. The next prime is 19923803. The reversal of 19923796 is 69732991.

It is a Harshad number since it is a multiple of its sum of digits (46).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (19923791) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4806 + ... + 7933.

It is an arithmetic number, because the mean of its divisors is an integer number (1605240).

Almost surely, 2^19923796 is an apocalyptic number.

It is an amenable number.

19923796 is a deficient number, since it is larger than the sum of its proper divisors (18601964).

19923796 is a wasteful number, since it uses less digits than its factorization.

19923796 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12783 (or 12781 counting only the distinct ones).

The product of its digits is 183708, while the sum is 46.

The square root of 19923796 is about 4463.6079576952. The cubic root of 19923796 is about 271.0965737425.

The spelling of 19923796 in words is "nineteen million, nine hundred twenty-three thousand, seven hundred ninety-six".