28110648 has 32 divisors (see below), whose sum is σ = 71913600. Its totient is φ = 9151968.

The previous prime is 28110637. The next prime is 28110661. The reversal of 28110648 is 84601182.

It is a congruent number.

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, 12588 + ... + 14651.

It is an arithmetic number, because the mean of its divisors is an integer number (2247300).

Almost surely, 2^28110648 is an apocalyptic number.

It is an amenable number.

28110648 is an abundant number, since it is smaller than the sum of its proper divisors (43802952).

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

28110648 is a wasteful number, since it uses less digits than its factorization.

28110648 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27291 (or 27287 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 30.

The square root of 28110648 is about 5301.9475666966. The cubic root of 28110648 is about 304.0583625251.

The spelling of 28110648 in words is "twenty-eight million, one hundred ten thousand, six hundred forty-eight".