28969208 has 16 divisors (see below), whose sum is σ = 54746880. Its totient is φ = 14370048.

The previous prime is 28969189. The next prime is 28969223. The reversal of 28969208 is 80296982.

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, 13241 + ... + 15272.

It is an arithmetic number, because the mean of its divisors is an integer number (3421680).

Almost surely, 2^28969208 is an apocalyptic number.

It is an amenable number.

28969208 is a deficient number, since it is larger than the sum of its proper divisors (25777672).

28969208 is a wasteful number, since it uses less digits than its factorization.

28969208 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28646 (or 28642 counting only the distinct ones).

The product of its (nonzero) digits is 124416, while the sum is 44.

The square root of 28969208 is about 5382.3050823973. The cubic root of 28969208 is about 307.1229052326.

The spelling of 28969208 in words is "twenty-eight million, nine hundred sixty-nine thousand, two hundred eight".