18204952 has 8 divisors (see below), whose sum is σ = 34134300. Its totient is φ = 9102472.

The previous prime is 18204931. The next prime is 18205001. The reversal of 18204952 is 25940281.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1137802 + ... + 1137817.

Almost surely, 2^18204952 is an apocalyptic number.

It is an amenable number.

18204952 is a deficient number, since it is larger than the sum of its proper divisors (15929348).

18204952 is a wasteful number, since it uses less digits than its factorization.

18204952 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2275625 (or 2275621 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 31.

The square root of 18204952 is about 4266.7261454188. The cubic root of 18204952 is about 263.0650660432.

The spelling of 18204952 in words is "eighteen million, two hundred four thousand, nine hundred fifty-two".