18908704 has 24 divisors (see below), whose sum is σ = 37932300. Its totient is φ = 9275136.

The previous prime is 18908693. The next prime is 18908707. The reversal of 18908704 is 40780981.

It can be written as a sum of positive squares in 2 ways, for example, as 18905104 + 3600 = 4348^2 + 60^2 .

It is not an unprimeable number, because it can be changed into a prime (18908707) 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, 3879 + ... + 7270.

Almost surely, 2^18908704 is an apocalyptic number.

It is an amenable number.

18908704 is an abundant number, since it is smaller than the sum of its proper divisors (19023596).

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

18908704 is a wasteful number, since it uses less digits than its factorization.

18908704 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11212 (or 11204 counting only the distinct ones).

The product of its (nonzero) digits is 16128, while the sum is 37.

The square root of 18908704 is about 4348.4139637344. The cubic root of 18908704 is about 266.4120848104.

The spelling of 18908704 in words is "eighteen million, nine hundred eight thousand, seven hundred four".