2656242 has 24 divisors (see below), whose sum is σ = 5795244. Its totient is φ = 879264.

The previous prime is 2656229. The next prime is 2656243. The reversal of 2656242 is 2426562.

2656242 is a `hidden beast` number, since 2 + 656 + 2 + 4 + 2 = 666.

2656242 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 2653641 + 2601 = 1629^2 + 51^2 .

It is not an unprimeable number, because it can be changed into a prime (2656243) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 2688 + ... + 3540.

2^2656242 is an apocalyptic number.

2656242 is an abundant number, since it is smaller than the sum of its proper divisors (3139002).

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

2656242 is a wasteful number, since it uses less digits than its factorization.

2656242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1034 (or 1031 counting only the distinct ones).

The product of its digits is 5760, while the sum is 27.

The square root of 2656242 is about 1629.7981470108. The cubic root of 2656242 is about 138.4913173842.

The spelling of 2656242 in words is "two million, six hundred fifty-six thousand, two hundred forty-two".