2108656 has 20 divisors (see below), whose sum is σ = 4457304. Its totient is φ = 958400.

The previous prime is 2108653. The next prime is 2108657. The reversal of 2108656 is 6568012.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2108653) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5815 + ... + 6166.

2^2108656 is an apocalyptic number.

It is an amenable number.

2108656 is an abundant number, since it is smaller than the sum of its proper divisors (2348648).

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

2108656 is a wasteful number, since it uses less digits than its factorization.

2108656 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12000 (or 11994 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 28.

The square root of 2108656 is about 1452.1212070623. The cubic root of 2108656 is about 128.2336228165.

The spelling of 2108656 in words is "two million, one hundred eight thousand, six hundred fifty-six".