2113944 has 32 divisors (see below), whose sum is σ = 6040320. Its totient is φ = 603936.

The previous prime is 2113939. The next prime is 2113949. The reversal of 2113944 is 4493112.

It is an interprime number because it is at equal distance from previous prime (2113939) and next prime (2113949).

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2113949) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6124 + ... + 6459.

It is an arithmetic number, because the mean of its divisors is an integer number (188760).

2^2113944 is an apocalyptic number.

2113944 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

2113944 is an abundant number, since it is smaller than the sum of its proper divisors (3926376).

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

2113944 is a wasteful number, since it uses less digits than its factorization.

2113944 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12599 (or 12595 counting only the distinct ones).

The product of its digits is 864, while the sum is 24.

The square root of 2113944 is about 1453.9408516167. The cubic root of 2113944 is about 128.3407263221.

The spelling of 2113944 in words is "two million, one hundred thirteen thousand, nine hundred forty-four".