28916304 has 40 divisors (see below), whose sum is σ = 77114112. Its totient is φ = 9327360.

The previous prime is 28916263. The next prime is 28916311. The reversal of 28916304 is 40361982.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8229 + ... + 11204.

Almost surely, 2^28916304 is an apocalyptic number.

28916304 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

28916304 is an abundant number, since it is smaller than the sum of its proper divisors (48197808).

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

28916304 is a wasteful number, since it uses less digits than its factorization.

28916304 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19475 (or 19469 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 33.

The square root of 28916304 is about 5377.3882136219. The cubic root of 28916304 is about 306.9358338311.

The spelling of 28916304 in words is "twenty-eight million, nine hundred sixteen thousand, three hundred four".