19797004 has 12 divisors (see below), whose sum is σ = 34676824. Its totient is φ = 9889344.

The previous prime is 19796989. The next prime is 19797007. The reversal of 19797004 is 40079791.

It is a hoax number, since the sum of its digits (37) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (19797007) 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, 5572 + ... + 8404.

Almost surely, 2^19797004 is an apocalyptic number.

It is an amenable number.

19797004 is a deficient number, since it is larger than the sum of its proper divisors (14879820).

19797004 is a wasteful number, since it uses less digits than its factorization.

19797004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4584 (or 4582 counting only the distinct ones).

The product of its (nonzero) digits is 15876, while the sum is 37.

The square root of 19797004 is about 4449.3824290569. The cubic root of 19797004 is about 270.5202770996.

The spelling of 19797004 in words is "nineteen million, seven hundred ninety-seven thousand, four".