28880196 has 12 divisors (see below), whose sum is σ = 67387152. Its totient is φ = 9626728.

The previous prime is 28880183. The next prime is 28880213. The reversal of 28880196 is 69108882.

It is a tau number, because it is divible by the number of its divisors (12).

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, 1203330 + ... + 1203353.

It is an arithmetic number, because the mean of its divisors is an integer number (5615596).

Almost surely, 2^28880196 is an apocalyptic number.

It is an amenable number.

28880196 is an abundant number, since it is smaller than the sum of its proper divisors (38506956).

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

28880196 is a wasteful number, since it uses less digits than its factorization.

28880196 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2406690 (or 2406688 counting only the distinct ones).

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

The square root of 28880196 is about 5374.0297728985. The cubic root of 28880196 is about 306.8080229443.

The spelling of 28880196 in words is "twenty-eight million, eight hundred eighty thousand, one hundred ninety-six".