2113880 has 32 divisors (see below), whose sum is σ = 4870800. Its totient is φ = 825216.

The previous prime is 2113879. The next prime is 2113901. The reversal of 2113880 is 883112.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1106 + ... + 2334.

2^2113880 is an apocalyptic number.

2113880 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2113880, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2435400).

2113880 is an abundant number, since it is smaller than the sum of its proper divisors (2756920).

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

2113880 is a wasteful number, since it uses less digits than its factorization.

2113880 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1283 (or 1279 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 23.

The square root of 2113880 is about 1453.9188423017. The cubic root of 2113880 is about 128.3394311302.

Adding to 2113880 its reverse (883112), we get a palindrome (2996992).

The spelling of 2113880 in words is "two million, one hundred thirteen thousand, eight hundred eighty".