28916672 has 14 divisors (see below), whose sum is σ = 57381648. Its totient is φ = 14458304.

The previous prime is 28916669. The next prime is 28916717. The reversal of 28916672 is 27661982.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 225848 + ... + 225975.

Almost surely, 2^28916672 is an apocalyptic number.

It is an amenable number.

28916672 is a deficient number, since it is larger than the sum of its proper divisors (28464976).

28916672 is an equidigital number, since it uses as much as digits as its factorization.

28916672 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 451835 (or 451825 counting only the distinct ones).

The product of its digits is 72576, while the sum is 41.

The square root of 28916672 is about 5377.4224308678. The cubic root of 28916672 is about 306.9371358867.

It can be divided in two parts, 289 and 16672, that added together give a palindrome (16961).

The spelling of 28916672 in words is "twenty-eight million, nine hundred sixteen thousand, six hundred seventy-two".