204328590 has 32 divisors (see below), whose sum is σ = 490816800. Its totient is φ = 54440064.

The previous prime is 204328583. The next prime is 204328609. The reversal of 204328590 is 95823402.

It is a happy number.

204328590 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 44272 + ... + 48668.

It is an arithmetic number, because the mean of its divisors is an integer number (15338025).

Almost surely, 2^204328590 is an apocalyptic number.

204328590 is an abundant number, since it is smaller than the sum of its proper divisors (286488210).

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

204328590 is a wasteful number, since it uses less digits than its factorization.

204328590 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5956.

The product of its (nonzero) digits is 17280, while the sum is 33.

The square root of 204328590 is about 14294.3551795805. The cubic root of 204328590 is about 588.9924294952.

The spelling of 204328590 in words is "two hundred four million, three hundred twenty-eight thousand, five hundred ninety".