2117372 has 6 divisors (see below), whose sum is σ = 3705408. Its totient is φ = 1058684.

The previous prime is 2117369. The next prime is 2117389. The reversal of 2117372 is 2737112.

2117372 = T₄₀₈ + T₄₀₉ + ... + T₄₃₁.

2117372 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 264668 + ... + 264675.

It is an arithmetic number, because the mean of its divisors is an integer number (617568).

2^2117372 is an apocalyptic number.

It is an amenable number.

2117372 is a deficient number, since it is larger than the sum of its proper divisors (1588036).

2117372 is a wasteful number, since it uses less digits than its factorization.

2117372 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 529347 (or 529345 counting only the distinct ones).

The product of its digits is 588, while the sum is 23.

The square root of 2117372 is about 1455.1192391004. The cubic root of 2117372 is about 128.4100618726.

The spelling of 2117372 in words is "two million, one hundred seventeen thousand, three hundred seventy-two".