28368808 has 16 divisors (see below), whose sum is σ = 57283380. Its totient is φ = 13093248.

The previous prime is 28368787. The next prime is 28368811. The reversal of 28368808 is 80886382.

It can be written as a sum of positive squares in 2 ways, for example, as 22108804 + 6260004 = 4702^2 + 2502^2 .

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, 136285 + ... + 136492.

Almost surely, 2^28368808 is an apocalyptic number.

It is an amenable number.

28368808 is an abundant number, since it is smaller than the sum of its proper divisors (28914572).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

28368808 is a wasteful number, since it uses less digits than its factorization.

28368808 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 272796 (or 272792 counting only the distinct ones).

The product of its (nonzero) digits is 147456, while the sum is 43.

The square root of 28368808 is about 5326.2376965359. The cubic root of 28368808 is about 304.9863220597.

The spelling of 28368808 in words is "twenty-eight million, three hundred sixty-eight thousand, eight hundred eight".