28801896 has 32 divisors (see below), whose sum is σ = 73366560. Its totient is φ = 9419072.

The previous prime is 28801889. The next prime is 28801907. The reversal of 28801896 is 69810882.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10050 + ... + 12593.

It is an arithmetic number, because the mean of its divisors is an integer number (2292705).

Almost surely, 2^28801896 is an apocalyptic number.

It is an amenable number.

28801896 is an abundant number, since it is smaller than the sum of its proper divisors (44564664).

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

28801896 is a wasteful number, since it uses less digits than its factorization.

28801896 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22705 (or 22701 counting only the distinct ones).

The product of its (nonzero) digits is 55296, while the sum is 42.

The square root of 28801896 is about 5366.7397924625. The cubic root of 28801896 is about 306.5304993037.

The spelling of 28801896 in words is "twenty-eight million, eight hundred one thousand, eight hundred ninety-six".