19996592 has 40 divisors (see below), whose sum is σ = 48306432. Its totient is φ = 7790400.

The previous prime is 19996583. The next prime is 19996597. The reversal of 19996592 is 29569991.

It is a super-2 number, since 2×19996592² = 799727383228928, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 19996592.

It is not an unprimeable number, because it can be changed into a prime (19996597) 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, 6884 + ... + 9347.

Almost surely, 2^19996592 is an apocalyptic number.

It is an amenable number.

19996592 is an abundant number, since it is smaller than the sum of its proper divisors (28309840).

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

19996592 is a wasteful number, since it uses less digits than its factorization.

19996592 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16257 (or 16251 counting only the distinct ones).

The product of its digits is 393660, while the sum is 50.

The square root of 19996592 is about 4471.7549127831. The cubic root of 19996592 is about 271.4263428916.

The spelling of 19996592 in words is "nineteen million, nine hundred ninety-six thousand, five hundred ninety-two".