28256108 has 18 divisors (see below), whose sum is σ = 52530156. Its totient is φ = 13296448.

The previous prime is 28256101. The next prime is 28256119. The reversal of 28256108 is 80165282.

It is not an unprimeable number, because it can be changed into a prime (28256101) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 11066 + ... + 13377.

It is an arithmetic number, because the mean of its divisors is an integer number (2918342).

Almost surely, 2^28256108 is an apocalyptic number.

It is an amenable number.

28256108 is a deficient number, since it is larger than the sum of its proper divisors (24274048).

28256108 is a wasteful number, since it uses less digits than its factorization.

28256108 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24481 (or 24462 counting only the distinct ones).

The product of its (nonzero) digits is 7680, while the sum is 32.

The square root of 28256108 is about 5315.6474676186. The cubic root of 28256108 is about 304.5819157437.

The spelling of 28256108 in words is "twenty-eight million, two hundred fifty-six thousand, one hundred eight".