2108856 has 16 divisors (see below), whose sum is σ = 5272200. Its totient is φ = 702944.

The previous prime is 2108839. The next prime is 2108857. The reversal of 2108856 is 6588012.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2108857) 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, 43911 + ... + 43958.

2^2108856 is an apocalyptic number.

It is an amenable number.

2108856 is an abundant number, since it is smaller than the sum of its proper divisors (3163344).

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

2108856 is a wasteful number, since it uses less digits than its factorization.

2108856 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 87878 (or 87874 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 30.

The square root of 2108856 is about 1452.1900702043. The cubic root of 2108856 is about 128.2376768859.

It can be divided in two parts, 2 and 108856, that multiplied together give a palindrome (217712).

The spelling of 2108856 in words is "two million, one hundred eight thousand, eight hundred fifty-six".