2117744 has 20 divisors (see below), whose sum is σ = 4144824. Its totient is φ = 1048128.

The previous prime is 2117743. The next prime is 2117747. The reversal of 2117744 is 4477112.

2117744 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2117743) 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, 1094 + ... + 2330.

2^2117744 is an apocalyptic number.

It is an amenable number.

2117744 is a deficient number, since it is larger than the sum of its proper divisors (2027080).

2117744 is a wasteful number, since it uses less digits than its factorization.

2117744 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1352 (or 1346 counting only the distinct ones).

The product of its digits is 1568, while the sum is 26.

The square root of 2117744 is about 1455.2470580627. The cubic root of 2117744 is about 128.4175815316.

The spelling of 2117744 in words is "two million, one hundred seventeen thousand, seven hundred forty-four".