204589828 has 6 divisors (see below), whose sum is σ = 358032206. Its totient is φ = 102294912.

The previous prime is 204589823. The next prime is 204589831. The reversal of 204589828 is 828985402.

204589828 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., 173765124 + 30824704 = 13182^2 + 5552^2 .

It is not an unprimeable number, because it can be changed into a prime (204589823) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25573725 + ... + 25573732.

Almost surely, 2^204589828 is an apocalyptic number.

It is an amenable number.

204589828 is a deficient number, since it is larger than the sum of its proper divisors (153442378).

204589828 is a wasteful number, since it uses less digits than its factorization.

204589828 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51147461 (or 51147459 counting only the distinct ones).

The product of its (nonzero) digits is 368640, while the sum is 46.

The square root of 204589828 is about 14303.4900636173. The cubic root of 204589828 is about 589.2433352818.

The spelling of 204589828 in words is "two hundred four million, five hundred eighty-nine thousand, eight hundred twenty-eight".