2113900 has 18 divisors (see below), whose sum is σ = 4587380. Its totient is φ = 845520.

The previous prime is 2113879. The next prime is 2113901. The reversal of 2113900 is 93112.

It is not an unprimeable number, because it can be changed into a prime (2113901) 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 5 ways as a sum of consecutive naturals, for example, 10470 + ... + 10669.

2^2113900 is an apocalyptic number.

2113900 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2113900 is an abundant number, since it is smaller than the sum of its proper divisors (2473480).

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

2113900 is a wasteful number, since it uses less digits than its factorization.

2113900 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21153 (or 21146 counting only the distinct ones).

The product of its (nonzero) digits is 54, while the sum is 16.

The square root of 2113900 is about 1453.9257202485. The cubic root of 2113900 is about 128.3398358805.

The spelling of 2113900 in words is "two million, one hundred thirteen thousand, nine hundred".