2345944 has 16 divisors (see below), whose sum is σ = 4435200. Its totient is φ = 1163232.

The previous prime is 2345923. The next prime is 2345953. The reversal of 2345944 is 4495432.

It is a happy number.

It is a super-2 number, since 2×2345944² = 11006906502272, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 139 + ... + 2170.

It is an arithmetic number, because the mean of its divisors is an integer number (277200).

2^2345944 is an apocalyptic number.

It is an amenable number.

2345944 is a deficient number, since it is larger than the sum of its proper divisors (2089256).

2345944 is a wasteful number, since it uses less digits than its factorization.

2345944 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2442 (or 2438 counting only the distinct ones).

The product of its digits is 17280, while the sum is 31.

The square root of 2345944 is about 1531.6474790238. The cubic root of 2345944 is about 132.8737566283.

The spelling of 2345944 in words is "two million, three hundred forty-five thousand, nine hundred forty-four".