18796404 has 48 divisors (see below), whose sum is σ = 48254976. Its totient is φ = 5647200.

The previous prime is 18796399. The next prime is 18796433. The reversal of 18796404 is 40469781.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 16749 + ... + 17835.

It is an arithmetic number, because the mean of its divisors is an integer number (1005312).

Almost surely, 2^18796404 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 18796404, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (24127488).

18796404 is an abundant number, since it is smaller than the sum of its proper divisors (29458572).

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

18796404 is a wasteful number, since it uses less digits than its factorization.

18796404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1236 (or 1234 counting only the distinct ones).

The product of its (nonzero) digits is 48384, while the sum is 39.

The square root of 18796404 is about 4335.4819801263. The cubic root of 18796404 is about 265.8836244467.

The spelling of 18796404 in words is "eighteen million, seven hundred ninety-six thousand, four hundred four".