18842808 has 32 divisors (see below), whose sum is σ = 48733200. Its totient is φ = 6064128.

The previous prime is 18842801. The next prime is 18842809. The reversal of 18842808 is 80824881.

It is a Smith number, since the sum of its digits (39) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18842801) 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, 12841 + ... + 14232.

Almost surely, 2^18842808 is an apocalyptic number.

It is an amenable number.

18842808 is an abundant number, since it is smaller than the sum of its proper divisors (29890392).

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

18842808 is a wasteful number, since it uses less digits than its factorization.

18842808 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27111 (or 27107 counting only the distinct ones).

The product of its (nonzero) digits is 32768, while the sum is 39.

The square root of 18842808 is about 4340.8303353160. The cubic root of 18842808 is about 266.1022464826.

The spelling of 18842808 in words is "eighteen million, eight hundred forty-two thousand, eight hundred eight".