28083304 has 8 divisors (see below), whose sum is σ = 52656210. Its totient is φ = 14041648.

The previous prime is 28083277. The next prime is 28083313. The reversal of 28083304 is 40338082.

It can be written as a sum of positive squares in only one way, i.e., 23020804 + 5062500 = 4798^2 + 2250^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1755199 + ... + 1755214.

Almost surely, 2^28083304 is an apocalyptic number.

It is an amenable number.

28083304 is a deficient number, since it is larger than the sum of its proper divisors (24572906).

28083304 is a wasteful number, since it uses less digits than its factorization.

28083304 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3510419 (or 3510415 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 28.

The square root of 28083304 is about 5299.3682642368. The cubic root of 28083304 is about 303.9597418989.

The spelling of 28083304 in words is "twenty-eight million, eighty-three thousand, three hundred four".