2110856 has 48 divisors (see below), whose sum is σ = 4641840. Its totient is φ = 892160.

The previous prime is 2110853. The next prime is 2110859. The reversal of 2110856 is 6580112.

It is an interprime number because it is at equal distance from previous prime (2110853) and next prime (2110859).

It is a hoax number, since the sum of its digits (23) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (2110853) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 25391 + ... + 25473.

It is an arithmetic number, because the mean of its divisors is an integer number (96705).

2^2110856 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2110856, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2320920).

2110856 is an abundant number, since it is smaller than the sum of its proper divisors (2530984).

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

2110856 is a wasteful number, since it uses less digits than its factorization.

2110856 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 134 (or 113 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 23.

The square root of 2110856 is about 1452.8785221071. The cubic root of 2110856 is about 128.2782034902.

Adding to 2110856 its reverse (6580112), we get a palindrome (8690968).

The spelling of 2110856 in words is "two million, one hundred ten thousand, eight hundred fifty-six".