204393872 has 10 divisors (see below), whose sum is σ = 396013158. Its totient is φ = 102196928.

The previous prime is 204393853. The next prime is 204393901. The reversal of 204393872 is 278393402.

It is a happy number.

204393872 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 143616256 + 60777616 = 11984^2 + 7796^2 .

It is a super-2 number, since 2×204393872² = 83553709822304768, which contains 22 as substring.

It is a pancake number, because a pancake can be divided into 204393872 parts by 20218 straight cuts.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6387293 + ... + 6387324.

Almost surely, 2^204393872 is an apocalyptic number.

It is an amenable number.

204393872 is a deficient number, since it is larger than the sum of its proper divisors (191619286).

204393872 is a wasteful number, since it uses less digits than its factorization.

204393872 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12774625 (or 12774619 counting only the distinct ones).

The product of its (nonzero) digits is 72576, while the sum is 38.

The square root of 204393872 is about 14296.6384860218. The cubic root of 204393872 is about 589.0551495639.

The spelling of 204393872 in words is "two hundred four million, three hundred ninety-three thousand, eight hundred seventy-two".