2117044 has 24 divisors (see below), whose sum is σ = 3967488. Its totient is φ = 984960.

The previous prime is 2117041. The next prime is 2117051. The reversal of 2117044 is 4407112.

It is an Ulam number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2117041) 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, 10989 + ... + 11179.

It is an arithmetic number, because the mean of its divisors is an integer number (165312).

2^2117044 is an apocalyptic number.

It is an amenable number.

2117044 is a deficient number, since it is larger than the sum of its proper divisors (1850444).

2117044 is a wasteful number, since it uses less digits than its factorization.

2117044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 375 (or 373 counting only the distinct ones).

The product of its (nonzero) digits is 224, while the sum is 19.

The square root of 2117044 is about 1455.0065291950. The cubic root of 2117044 is about 128.4034309050.

Subtracting from 2117044 its sum of digits (19), we obtain a square (2117025 = 1455²).

The spelling of 2117044 in words is "two million, one hundred seventeen thousand, forty-four".