28544876 has 12 divisors (see below), whose sum is σ = 50064672. Its totient is φ = 14240688.

The previous prime is 28544843. The next prime is 28544891. The reversal of 28544876 is 67844582.

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, 5855 + ... + 9558.

It is an arithmetic number, because the mean of its divisors is an integer number (4172056).

Almost surely, 2^28544876 is an apocalyptic number.

It is an amenable number.

28544876 is a deficient number, since it is larger than the sum of its proper divisors (21519796).

28544876 is a wasteful number, since it uses less digits than its factorization.

28544876 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15880 (or 15878 counting only the distinct ones).

The product of its digits is 430080, while the sum is 44.

The square root of 28544876 is about 5342.7404952889. The cubic root of 28544876 is about 305.6159763173.

The spelling of 28544876 in words is "twenty-eight million, five hundred forty-four thousand, eight hundred seventy-six".