228908304 has 30 divisors (see below), whose sum is σ = 640625726. Its totient is φ = 76302720.

The previous prime is 228908297. The next prime is 228908321. The reversal of 228908304 is 403809822.

228908304 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., 180633600 + 48274704 = 13440^2 + 6948^2 .

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 794677 + ... + 794964.

Almost surely, 2^228908304 is an apocalyptic number.

228908304 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

228908304 is an abundant number, since it is smaller than the sum of its proper divisors (411717422).

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

228908304 is a wasteful number, since it uses less digits than its factorization.

228908304 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1589655 (or 1589646 counting only the distinct ones).

The product of its (nonzero) digits is 27648, while the sum is 36.

The square root of 228908304 is about 15129.7159259518. The cubic root of 228908304 is about 611.7216470941.

The spelling of 228908304 in words is "two hundred twenty-eight million, nine hundred eight thousand, three hundred four".