28110656 has 56 divisors (see below), whose sum is σ = 67519296. Its totient is φ = 11335680.

The previous prime is 28110637. The next prime is 28110661. The reversal of 28110656 is 65601182.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (56).

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, 5771 + ... + 9461.

Almost surely, 2^28110656 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 28110656, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (33759648).

28110656 is an abundant number, since it is smaller than the sum of its proper divisors (39408640).

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

28110656 is a wasteful number, since it uses less digits than its factorization.

28110656 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3727 (or 3717 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 29.

The square root of 28110656 is about 5301.9483211363. The cubic root of 28110656 is about 304.0583913691.

The spelling of 28110656 in words is "twenty-eight million, one hundred ten thousand, six hundred fifty-six".