2108944 has 20 divisors (see below), whose sum is σ = 4134780. Its totient is φ = 1041920.

The previous prime is 2108941. The next prime is 2108957. The reversal of 2108944 is 4498012.

It can be written as a sum of positive squares in 2 ways, for example, as 640000 + 1468944 = 800^2 + 1212^2 .

It is an Ulam number.

It is not an unprimeable number, because it can be changed into a prime (2108941) 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, 684 + ... + 2164.

It is an arithmetic number, because the mean of its divisors is an integer number (206739).

2^2108944 is an apocalyptic number.

It is an amenable number.

2108944 is a deficient number, since it is larger than the sum of its proper divisors (2025836).

2108944 is a wasteful number, since it uses less digits than its factorization.

2108944 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1578 (or 1572 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 28.

The square root of 2108944 is about 1452.2203689523. The cubic root of 2108944 is about 128.2394605953.

The spelling of 2108944 in words is "two million, one hundred eight thousand, nine hundred forty-four".