28765468 has 12 divisors (see below), whose sum is σ = 52989160. Its totient is φ = 13625712.

The previous prime is 28765453. The next prime is 28765469. The reversal of 28765468 is 86456782.

It is a hoax number, since the sum of its digits (46) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28765469) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 189171 + ... + 189322.

Almost surely, 2^28765468 is an apocalyptic number.

It is an amenable number.

28765468 is a deficient number, since it is larger than the sum of its proper divisors (24223692).

28765468 is a wasteful number, since it uses less digits than its factorization.

28765468 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 378516 (or 378514 counting only the distinct ones).

The product of its digits is 645120, while the sum is 46.

The square root of 28765468 is about 5363.3448518625. The cubic root of 28765468 is about 306.4012137876.

The spelling of 28765468 in words is "twenty-eight million, seven hundred sixty-five thousand, four hundred sixty-eight".