204012408 has 16 divisors (see below), whose sum is σ = 510031080. Its totient is φ = 68004128.

The previous prime is 204012407. The next prime is 204012421. The reversal of 204012408 is 804210402.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (204012407) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4250235 + ... + 4250282.

Almost surely, 2^204012408 is an apocalyptic number.

It is an amenable number.

204012408 is an abundant number, since it is smaller than the sum of its proper divisors (306018672).

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

204012408 is a wasteful number, since it uses less digits than its factorization.

204012408 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8500526 (or 8500522 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 21.

The square root of 204012408 is about 14283.2912173630. The cubic root of 204012408 is about 588.6884665745.

The spelling of 204012408 in words is "two hundred four million, twelve thousand, four hundred eight".