28537084 has 24 divisors (see below), whose sum is σ = 54008640. Its totient is φ = 13142016.

The previous prime is 28537063. The next prime is 28537097. The reversal of 28537084 is 48073582.

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, 1269 + ... + 7660.

It is an arithmetic number, because the mean of its divisors is an integer number (2250360).

Almost surely, 2^28537084 is an apocalyptic number.

It is an amenable number.

28537084 is a deficient number, since it is larger than the sum of its proper divisors (25471556).

28537084 is a wasteful number, since it uses less digits than its factorization.

28537084 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8997 (or 8995 counting only the distinct ones).

The product of its (nonzero) digits is 53760, while the sum is 37.

The square root of 28537084 is about 5342.0112317366. The cubic root of 28537084 is about 305.5881654134.

The spelling of 28537084 in words is "twenty-eight million, five hundred thirty-seven thousand, eighty-four".