2312644 has 12 divisors (see below), whose sum is σ = 4073104. Its totient is φ = 1148904.

The previous prime is 2312641. The next prime is 2312677. The reversal of 2312644 is 4462132.

It is a happy number.

2312644 is nontrivially palindromic in base 3.

It is a zygodrome in base 3.

It is not an unprimeable number, because it can be changed into a prime (2312641) 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, 1122 + ... + 2425.

2^2312644 is an apocalyptic number.

It is an amenable number.

2312644 is a deficient number, since it is larger than the sum of its proper divisors (1760460).

2312644 is a wasteful number, since it uses less digits than its factorization.

2312644 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3714 (or 3712 counting only the distinct ones).

The product of its digits is 1152, while the sum is 22.

The square root of 2312644 is about 1520.7379787458. The cubic root of 2312644 is about 132.2420566196.

Adding to 2312644 its reverse (4462132), we get a palindrome (6774776).

The spelling of 2312644 in words is "two million, three hundred twelve thousand, six hundred forty-four".