28096872 has 32 divisors (see below), whose sum is σ = 70716480. Its totient is φ = 9302400.

The previous prime is 28096843. The next prime is 28096889. The reversal of 28096872 is 27869082.

It is a happy 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, 253 + ... + 7500.

It is an arithmetic number, because the mean of its divisors is an integer number (2209890).

Almost surely, 2^28096872 is an apocalyptic number.

It is an amenable number.

28096872 is an abundant number, since it is smaller than the sum of its proper divisors (42619608).

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

28096872 is a wasteful number, since it uses less digits than its factorization.

28096872 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7913 (or 7909 counting only the distinct ones).

The product of its (nonzero) digits is 96768, while the sum is 42.

The square root of 28096872 is about 5300.6482622411. The cubic root of 28096872 is about 304.0086851166.

The spelling of 28096872 in words is "twenty-eight million, ninety-six thousand, eight hundred seventy-two".