28558883 has 4 divisors (see below), whose sum is σ = 28767480. Its totient is φ = 28350288.

The previous prime is 28558879. The next prime is 28558897. The reversal of 28558883 is 38885582.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 28558883 - 2² = 28558879 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (28558853) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 104093 + ... + 104366.

It is an arithmetic number, because the mean of its divisors is an integer number (7191870).

Almost surely, 2^28558883 is an apocalyptic number.

28558883 is a deficient number, since it is larger than the sum of its proper divisors (208597).

28558883 is a wasteful number, since it uses less digits than its factorization.

28558883 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 208596.

The product of its digits is 614400, while the sum is 47.

The square root of 28558883 is about 5344.0511786472. The cubic root of 28558883 is about 305.6659568342.

The spelling of 28558883 in words is "twenty-eight million, five hundred fifty-eight thousand, eight hundred eighty-three".