28516833 has 8 divisors (see below), whose sum is σ = 42247200. Its totient is φ = 19011204.

The previous prime is 28516819. The next prime is 28516841. The reversal of 28516833 is 33861582.

It is not a de Polignac number, because 28516833 - 2²⁴ = 11739617 is a prime.

It is not an unprimeable number, because it can be changed into a prime (28516843) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 528063 + ... + 528116.

It is an arithmetic number, because the mean of its divisors is an integer number (5280900).

Almost surely, 2^28516833 is an apocalyptic number.

It is an amenable number.

28516833 is a deficient number, since it is larger than the sum of its proper divisors (13730367).

28516833 is a wasteful number, since it uses less digits than its factorization.

28516833 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1056188 (or 1056182 counting only the distinct ones).

The product of its digits is 34560, while the sum is 36.

The square root of 28516833 is about 5340.1154481902. The cubic root of 28516833 is about 305.5158626468.

The spelling of 28516833 in words is "twenty-eight million, five hundred sixteen thousand, eight hundred thirty-three".