28560936 has 32 divisors (see below), whose sum is σ = 71539200. Its totient is φ = 9502080.

The previous prime is 28560899. The next prime is 28560967. The reversal of 28560936 is 63906582.

It is a Smith number, since the sum of its digits (39) coincides with the sum of the digits of its prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 28560894 and 28560903.

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 in 7 ways as a sum of consecutive naturals, for example, 18681 + ... + 20151.

It is an arithmetic number, because the mean of its divisors is an integer number (2235600).

Almost surely, 2^28560936 is an apocalyptic number.

It is an amenable number.

28560936 is an abundant number, since it is smaller than the sum of its proper divisors (42978264).

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

28560936 is a wasteful number, since it uses less digits than its factorization.

28560936 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2289 (or 2285 counting only the distinct ones).

The product of its (nonzero) digits is 77760, while the sum is 39.

The square root of 28560936 is about 5344.2432579365. The cubic root of 28560936 is about 305.6732810840.

The spelling of 28560936 in words is "twenty-eight million, five hundred sixty thousand, nine hundred thirty-six".