2117244 has 24 divisors (see below), whose sum is σ = 5034960. Its totient is φ = 692224.

The previous prime is 2117239. The next prime is 2117273. The reversal of 2117244 is 4427112.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 2117244.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1029 + ... + 2300.

It is an arithmetic number, because the mean of its divisors is an integer number (209790).

2^2117244 is an apocalyptic number.

It is an amenable number.

2117244 is an abundant number, since it is smaller than the sum of its proper divisors (2917716).

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

2117244 is a wasteful number, since it uses less digits than its factorization.

2117244 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3389 (or 3387 counting only the distinct ones).

The product of its digits is 448, while the sum is 21.

The square root of 2117244 is about 1455.0752557858. The cubic root of 2117244 is about 128.4074742594.

The spelling of 2117244 in words is "two million, one hundred seventeen thousand, two hundred forty-four".