204028328 has 16 divisors (see below), whose sum is σ = 437203680. Its totient is φ = 87440688.

The previous prime is 204028291. The next prime is 204028367. The reversal of 204028328 is 823820402.

It is a self number, because there is not a number n which added to its sum of digits gives 204028328.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1821626 + ... + 1821737.

It is an arithmetic number, because the mean of its divisors is an integer number (27325230).

Almost surely, 2^204028328 is an apocalyptic number.

204028328 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

204028328 is an abundant number, since it is smaller than the sum of its proper divisors (233175352).

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

204028328 is a wasteful number, since it uses less digits than its factorization.

204028328 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3643376 (or 3643372 counting only the distinct ones).

The product of its (nonzero) digits is 6144, while the sum is 29.

The square root of 204028328 is about 14283.8485010168. The cubic root of 204028328 is about 588.7037788402.

The spelling of 204028328 in words is "two hundred four million, twenty-eight thousand, three hundred twenty-eight".