28756016 has 20 divisors (see below), whose sum is σ = 55854312. Its totient is φ = 14342016.

The previous prime is 28756009. The next prime is 28756033. The reversal of 28756016 is 61065782.

It is a Smith number, since the sum of its digits (35) coincides with the sum of the digits of its prime factors.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5060 + ... + 9116.

Almost surely, 2^28756016 is an apocalyptic number.

It is an amenable number.

28756016 is a deficient number, since it is larger than the sum of its proper divisors (27098296).

28756016 is a wasteful number, since it uses less digits than its factorization.

28756016 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4508 (or 4502 counting only the distinct ones).

The product of its (nonzero) digits is 20160, while the sum is 35.

The square root of 28756016 is about 5362.4636129302. The cubic root of 28756016 is about 306.3676501465.

The spelling of 28756016 in words is "twenty-eight million, seven hundred fifty-six thousand, sixteen".