2656626 has 32 divisors (see below), whose sum is σ = 6217728. Its totient is φ = 740880.

The previous prime is 2656601. The next prime is 2656627. The reversal of 2656626 is 6266562.

It is not an unprimeable number, because it can be changed into a prime (2656627) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1071 + ... + 2541.

It is an arithmetic number, because the mean of its divisors is an integer number (194304).

2^2656626 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2656626, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3108864).

2656626 is an abundant number, since it is smaller than the sum of its proper divisors (3561102).

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

2656626 is a wasteful number, since it uses less digits than its factorization.

2656626 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1526.

The product of its digits is 25920, while the sum is 33.

The square root of 2656626 is about 1629.9159487532. The cubic root of 2656626 is about 138.4979907349.

The spelling of 2656626 in words is "two million, six hundred fifty-six thousand, six hundred twenty-six".