18948204 has 72 divisors (see below), whose sum is σ = 53202240. Its totient is φ = 5637600.

The previous prime is 18948199. The next prime is 18948211. The reversal of 18948204 is 40284981.

It is a Smith number, since the sum of its digits (36) coincides with the sum of the digits of its prime factors.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 22959 + ... + 23769.

It is an arithmetic number, because the mean of its divisors is an integer number (738920).

Almost surely, 2^18948204 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 18948204, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (26601120).

18948204 is an abundant number, since it is smaller than the sum of its proper divisors (34254036).

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

18948204 is a wasteful number, since it uses less digits than its factorization.

18948204 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 891 (or 886 counting only the distinct ones).

The product of its (nonzero) digits is 18432, while the sum is 36.

The square root of 18948204 is about 4352.9534801098. The cubic root of 18948204 is about 266.5974660716.

The spelling of 18948204 in words is "eighteen million, nine hundred forty-eight thousand, two hundred four".