2113844 has 12 divisors (see below), whose sum is σ = 3744384. Its totient is φ = 1044024.

The previous prime is 2113843. The next prime is 2113873. The reversal of 2113844 is 4483112.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2113843) 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, 2852 + ... + 3515.

It is an arithmetic number, because the mean of its divisors is an integer number (312032).

2^2113844 is an apocalyptic number.

It is an amenable number.

2113844 is a deficient number, since it is larger than the sum of its proper divisors (1630540).

2113844 is a wasteful number, since it uses less digits than its factorization.

2113844 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6454 (or 6452 counting only the distinct ones).

The product of its digits is 768, while the sum is 23.

The square root of 2113844 is about 1453.9064619156. The cubic root of 2113844 is about 128.3387025733.

Adding to 2113844 its reverse (4483112), we get a palindrome (6596956).

The spelling of 2113844 in words is "two million, one hundred thirteen thousand, eight hundred forty-four".