18845204 has 18 divisors (see below), whose sum is σ = 38363850. Its totient is φ = 8076432.

The previous prime is 18845201. The next prime is 18845221. The reversal of 18845204 is 40254881.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 18835600 + 9604 = 4340^2 + 98^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18845201) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 47879 + ... + 48270.

It is an arithmetic number, because the mean of its divisors is an integer number (2131325).

Almost surely, 2^18845204 is an apocalyptic number.

18845204 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

18845204 is an abundant number, since it is smaller than the sum of its proper divisors (19518646).

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

18845204 is a wasteful number, since it uses less digits than its factorization.

18845204 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 96167 (or 96158 counting only the distinct ones).

The product of its (nonzero) digits is 10240, while the sum is 32.

The square root of 18845204 is about 4341.1063106079. The cubic root of 18845204 is about 266.1135249495.

The spelling of 18845204 in words is "eighteen million, eight hundred forty-five thousand, two hundred four".