28759216 has 20 divisors (see below), whose sum is σ = 56150424. Its totient is φ = 14268800.

The previous prime is 28759207. The next prime is 28759219. The reversal of 28759216 is 61295782.

It is not an unprimeable number, because it can be changed into a prime (28759219) by changing a digit.

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 in 3 ways as a sum of consecutive naturals, for example, 4765 + ... + 8956.

Almost surely, 2^28759216 is an apocalyptic number.

It is an amenable number.

28759216 is a deficient number, since it is larger than the sum of its proper divisors (27391208).

28759216 is a wasteful number, since it uses less digits than its factorization.

28759216 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13860 (or 13854 counting only the distinct ones).

The product of its digits is 60480, while the sum is 40.

The square root of 28759216 is about 5362.7619749528. The cubic root of 28759216 is about 306.3790140308.

The spelling of 28759216 in words is "twenty-eight million, seven hundred fifty-nine thousand, two hundred sixteen".