204589998 has 24 divisors (see below), whose sum is σ = 443594736. Its totient is φ = 68148000.

The previous prime is 204589901. The next prime is 204590021. The reversal of 204589998 is 899985402.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 29263 + ... + 35573.

It is an arithmetic number, because the mean of its divisors is an integer number (18483114).

Almost surely, 2^204589998 is an apocalyptic number.

204589998 is an abundant number, since it is smaller than the sum of its proper divisors (239004738).

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

204589998 is a wasteful number, since it uses less digits than its factorization.

204589998 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8120 (or 8117 counting only the distinct ones).

The product of its (nonzero) digits is 1866240, while the sum is 54.

The square root of 204589998 is about 14303.4960062217. The cubic root of 204589998 is about 589.2434984886.

The spelling of 204589998 in words is "two hundred four million, five hundred eighty-nine thousand, nine hundred ninety-eight".