28057604 has 24 divisors (see below), whose sum is σ = 53356800. Its totient is φ = 12860640.

The previous prime is 28057597. The next prime is 28057619. The reversal of 28057604 is 40675082.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3599 + ... + 8310.

It is an arithmetic number, because the mean of its divisors is an integer number (2223200).

Almost surely, 2^28057604 is an apocalyptic number.

It is an amenable number.

28057604 is a deficient number, since it is larger than the sum of its proper divisors (25299196).

28057604 is a wasteful number, since it uses less digits than its factorization.

28057604 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11963 (or 11961 counting only the distinct ones).

The product of its (nonzero) digits is 13440, while the sum is 32.

The square root of 28057604 is about 5296.9428918953. The cubic root of 28057604 is about 303.8669922528.

The spelling of 28057604 in words is "twenty-eight million, fifty-seven thousand, six hundred four".