28199104 has 28 divisors (see below), whose sum is σ = 58393584. Its totient is φ = 13485824.

The previous prime is 28199089. The next prime is 28199113. The reversal of 28199104 is 40199182.

It is a self number, because there is not a number n which added to its sum of digits gives 28199104.

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, 8107 + ... + 11050.

Almost surely, 2^28199104 is an apocalyptic number.

It is an amenable number.

28199104 is an abundant number, since it is smaller than the sum of its proper divisors (30194480).

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

28199104 is a wasteful number, since it uses less digits than its factorization.

28199104 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19192 (or 19182 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 34.

The square root of 28199104 is about 5310.2828549899. The cubic root of 28199104 is about 304.3769562085.

The spelling of 28199104 in words is "twenty-eight million, one hundred ninety-nine thousand, one hundred four".