28608752 has 20 divisors (see below), whose sum is σ = 55569360. Its totient is φ = 14268288.

The previous prime is 28608731. The next prime is 28608779. The reversal of 28608752 is 25780682.

It is a Smith number, since the sum of its digits (38) coincides with the sum of the digits of its prime factors.

It is a congruent number.

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, 4988 + ... + 9060.

It is an arithmetic number, because the mean of its divisors is an integer number (2778468).

Almost surely, 2^28608752 is an apocalyptic number.

It is an amenable number.

28608752 is a deficient number, since it is larger than the sum of its proper divisors (26960608).

28608752 is a wasteful number, since it uses less digits than its factorization.

28608752 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4520 (or 4514 counting only the distinct ones).

The product of its (nonzero) digits is 53760, while the sum is 38.

The square root of 28608752 is about 5348.7149858634. The cubic root of 28608752 is about 305.8437694807.

The spelling of 28608752 in words is "twenty-eight million, six hundred eight thousand, seven hundred fifty-two".