2560688 has 30 divisors (see below), whose sum is σ = 5378004. Its totient is φ = 1180608.

The previous prime is 2560669. The next prime is 2560697. The reversal of 2560688 is 8860652.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2231 + ... + 3177.

2^2560688 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 2560688, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2689002).

2560688 is an abundant number, since it is smaller than the sum of its proper divisors (2817316).

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

2560688 is a wasteful number, since it uses less digits than its factorization.

2560688 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 981 (or 962 counting only the distinct ones).

The product of its (nonzero) digits is 23040, while the sum is 35.

The square root of 2560688 is about 1600.2149855566. The cubic root of 2560688 is about 136.8103294641.

The spelling of 2560688 in words is "two million, five hundred sixty thousand, six hundred eighty-eight".