2656806 has 16 divisors (see below), whose sum is σ = 5497200. Its totient is φ = 855008.

The previous prime is 2656783. The next prime is 2656807. The reversal of 2656806 is 6086562.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2656807) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7461 + ... + 7808.

It is an arithmetic number, because the mean of its divisors is an integer number (343575).

2^2656806 is an apocalyptic number.

2656806 is an abundant number, since it is smaller than the sum of its proper divisors (2840394).

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

2656806 is a wasteful number, since it uses less digits than its factorization.

2656806 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15303.

The product of its (nonzero) digits is 17280, while the sum is 33.

The square root of 2656806 is about 1629.9711653891. The cubic root of 2656806 is about 138.5011186467.

The spelling of 2656806 in words is "two million, six hundred fifty-six thousand, eight hundred six".