2355656 has 16 divisors (see below), whose sum is σ = 4676940. Its totient is φ = 1108480.

The previous prime is 2355629. The next prime is 2355671. The reversal of 2355656 is 6565532.

2355656 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 2353156 + 2500 = 1534^2 + 50^2 .

It is an Ulam number.

It is a d-powerful number, because it can be written as 2¹² + 3 + 5² + 5⁸ + 6 + 5⁹ + 6⁵ .

It is a congruent number.

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 3 ways as a sum of consecutive naturals, for example, 8525 + ... + 8796.

2^2355656 is an apocalyptic number.

It is an amenable number.

2355656 is a deficient number, since it is larger than the sum of its proper divisors (2321284).

2355656 is a wasteful number, since it uses less digits than its factorization.

2355656 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17344 (or 17340 counting only the distinct ones).

The product of its digits is 27000, while the sum is 32.

The square root of 2355656 is about 1534.8146467896. The cubic root of 2355656 is about 133.0568660288.

The spelling of 2355656 in words is "two million, three hundred fifty-five thousand, six hundred fifty-six".