2340644 has 12 divisors (see below), whose sum is σ = 4106844. Its totient is φ = 1167264.

The previous prime is 2340617. The next prime is 2340659. The reversal of 2340644 is 4460432.

It is a happy number.

2340644 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 702244 + 1638400 = 838^2 + 1280^2 .

It is a super-2 number, since 2×2340644² = 10957228669472, which contains 22 as substring.

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 in 3 ways as a sum of consecutive naturals, for example, 2642 + ... + 3414.

It is an arithmetic number, because the mean of its divisors is an integer number (342237).

2^2340644 is an apocalyptic number.

It is an amenable number.

2340644 is a deficient number, since it is larger than the sum of its proper divisors (1766200).

2340644 is a wasteful number, since it uses less digits than its factorization.

2340644 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1534 (or 1532 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 23.

The square root of 2340644 is about 1529.9163375819. The cubic root of 2340644 is about 132.7736175636.

The spelling of 2340644 in words is "two million, three hundred forty thousand, six hundred forty-four".