28808166 has 32 divisors (see below), whose sum is σ = 62052480. Its totient is φ = 8882816.

The previous prime is 28808159. The next prime is 28808177. The reversal of 28808166 is 66180882.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3625 + ... + 8411.

It is an arithmetic number, because the mean of its divisors is an integer number (1939140).

Almost surely, 2^28808166 is an apocalyptic number.

28808166 is an abundant number, since it is smaller than the sum of its proper divisors (33244314).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

28808166 is a wasteful number, since it uses less digits than its factorization.

28808166 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4868.

The product of its (nonzero) digits is 36864, while the sum is 39.

The square root of 28808166 is about 5367.3239142053. The cubic root of 28808166 is about 306.5527409735.

The spelling of 28808166 in words is "twenty-eight million, eight hundred eight thousand, one hundred sixty-six".