28199996 has 24 divisors (see below), whose sum is σ = 54020736. Its totient is φ = 12774320.

The previous prime is 28199947. The next prime is 28200013. The reversal of 28199996 is 69999182.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14345 + ... + 16191.

It is an arithmetic number, because the mean of its divisors is an integer number (2250864).

Almost surely, 2^28199996 is an apocalyptic number.

It is an amenable number.

28199996 is a deficient number, since it is larger than the sum of its proper divisors (25820740).

28199996 is a wasteful number, since it uses less digits than its factorization.

28199996 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2209 (or 2207 counting only the distinct ones).

The product of its digits is 629856, while the sum is 53.

The square root of 28199996 is about 5310.3668423189. The cubic root of 28199996 is about 304.3801655467.

The spelling of 28199996 in words is "twenty-eight million, one hundred ninety-nine thousand, nine hundred ninety-six".