28333808 has 20 divisors (see below), whose sum is σ = 55026240. Its totient is φ = 14133504.

The previous prime is 28333763. The next prime is 28333817. The reversal of 28333808 is 80833382.

It is a congruent number.

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, 5816 + ... + 9512.

It is an arithmetic number, because the mean of its divisors is an integer number (2751312).

Almost surely, 2^28333808 is an apocalyptic number.

It is an amenable number.

28333808 is a deficient number, since it is larger than the sum of its proper divisors (26692432).

28333808 is a wasteful number, since it uses less digits than its factorization.

28333808 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4184 (or 4178 counting only the distinct ones).

The product of its (nonzero) digits is 27648, while the sum is 35.

The square root of 28333808 is about 5322.9510612066. The cubic root of 28333808 is about 304.8608448786.

The spelling of 28333808 in words is "twenty-eight million, three hundred thirty-three thousand, eight hundred eight".