2656236 has 24 divisors (see below), whose sum is σ = 6761664. Its totient is φ = 804880.

The previous prime is 2656229. The next prime is 2656243. The reversal of 2656236 is 6326562.

2656236 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (2656229) and next prime (2656243).

It is a d-powerful number, because it can be written as 2⁷ + 6² + 5⁹ + 6³ + 2¹⁹ + 3¹¹ + 6⁴ .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9930 + ... + 10193.

It is an arithmetic number, because the mean of its divisors is an integer number (281736).

2^2656236 is an apocalyptic number.

It is an amenable number.

2656236 is an abundant number, since it is smaller than the sum of its proper divisors (4105428).

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

2656236 is a wasteful number, since it uses less digits than its factorization.

2656236 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20141 (or 20139 counting only the distinct ones).

The product of its digits is 12960, while the sum is 30.

The square root of 2656236 is about 1629.7963062911. The cubic root of 2656236 is about 138.4912131080.

The spelling of 2656236 in words is "two million, six hundred fifty-six thousand, two hundred thirty-six".