204005889 has 24 divisors (see below), whose sum is σ = 304967520. Its totient is φ = 131326272.

The previous prime is 204005881. The next prime is 204005903. The reversal of 204005889 is 988500402.

It is not a de Polignac number, because 204005889 - 2³ = 204005881 is a prime.

It is not an unprimeable number, because it can be changed into a prime (204005881) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 31482 + ... + 37404.

It is an arithmetic number, because the mean of its divisors is an integer number (12706980).

Almost surely, 2^204005889 is an apocalyptic number.

It is an amenable number.

204005889 is a deficient number, since it is larger than the sum of its proper divisors (100961631).

204005889 is a wasteful number, since it uses less digits than its factorization.

204005889 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6061 (or 6058 counting only the distinct ones).

The product of its (nonzero) digits is 23040, while the sum is 36.

The square root of 204005889 is about 14283.0630118333. The cubic root of 204005889 is about 588.6821962026.

The spelling of 204005889 in words is "two hundred four million, five thousand, eight hundred eighty-nine".