28808595 has 16 divisors (see below), whose sum is σ = 51215520. Its totient is φ = 15364512.

The previous prime is 28808567. The next prime is 28808623. The reversal of 28808595 is 59580882.

It is an interprime number because it is at equal distance from previous prime (28808567) and next prime (28808623).

It is not a de Polignac number, because 28808595 - 2⁷ = 28808467 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 28808595.

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, 106564 + ... + 106833.

It is an arithmetic number, because the mean of its divisors is an integer number (3200970).

Almost surely, 2^28808595 is an apocalyptic number.

28808595 is a deficient number, since it is larger than the sum of its proper divisors (22406925).

28808595 is a wasteful number, since it uses less digits than its factorization.

28808595 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 213411 (or 213405 counting only the distinct ones).

The product of its (nonzero) digits is 230400, while the sum is 45.

The square root of 28808595 is about 5367.3638781063. The cubic root of 28808595 is about 306.5542626540.

It can be divided in two parts, 28808 and 595, that added together give a triangular number (29403 = T₂₄₂).

The spelling of 28808595 in words is "twenty-eight million, eight hundred eight thousand, five hundred ninety-five".