28588113 has 24 divisors (see below), whose sum is σ = 43898400. Its totient is φ = 18386928.

The previous prime is 28588099. The next prime is 28588123. The reversal of 28588113 is 31188582.

It is not a de Polignac number, because 28588113 - 2⁸ = 28587857 is a prime.

It is not an unprimeable number, because it can be changed into a prime (28588123) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 22078 + ... + 23336.

It is an arithmetic number, because the mean of its divisors is an integer number (1829100).

Almost surely, 2^28588113 is an apocalyptic number.

It is an amenable number.

28588113 is a deficient number, since it is larger than the sum of its proper divisors (15310287).

28588113 is a wasteful number, since it uses less digits than its factorization.

28588113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1326 (or 1291 counting only the distinct ones).

The product of its digits is 15360, while the sum is 36.

The square root of 28588113 is about 5346.7852958577. The cubic root of 28588113 is about 305.7702042525.

The spelling of 28588113 in words is "twenty-eight million, five hundred eighty-eight thousand, one hundred thirteen".