28368916 has 12 divisors (see below), whose sum is σ = 49692832. Its totient is φ = 14170968.

The previous prime is 28368889. The next prime is 28368929. The reversal of 28368916 is 61986382.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2491 + ... + 7933.

Almost surely, 2^28368916 is an apocalyptic number.

It is an amenable number.

28368916 is a deficient number, since it is larger than the sum of its proper divisors (21323916).

28368916 is a wasteful number, since it uses less digits than its factorization.

28368916 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6750 (or 6748 counting only the distinct ones).

The product of its digits is 124416, while the sum is 43.

The square root of 28368916 is about 5326.2478350148. The cubic root of 28368916 is about 304.9867090867.

The spelling of 28368916 in words is "twenty-eight million, three hundred sixty-eight thousand, nine hundred sixteen".