19994304 has 56 divisors (see below), whose sum is σ = 57716928. Its totient is φ = 6058240.

The previous prime is 19994297. The next prime is 19994309. The reversal of 19994304 is 40349991.

It is not an unprimeable number, because it can be changed into a prime (19994309) 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, 2622 + ... + 6845.

Almost surely, 2^19994304 is an apocalyptic number.

It is an amenable number.

19994304 is an abundant number, since it is smaller than the sum of its proper divisors (37722624).

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

19994304 is a wasteful number, since it uses less digits than its factorization.

19994304 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9493 (or 9483 counting only the distinct ones).

The product of its (nonzero) digits is 34992, while the sum is 39.

The square root of 19994304 is about 4471.4990774907. The cubic root of 19994304 is about 271.4159903415.

The spelling of 19994304 in words is "nineteen million, nine hundred ninety-four thousand, three hundred four".