2664844 has 24 divisors (see below), whose sum is σ = 5740448. Its totient is φ = 1054080.

The previous prime is 2664829. The next prime is 2664847. The reversal of 2664844 is 4484662.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (2664847) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3297 + ... + 4024.

2^2664844 is an apocalyptic number.

It is an amenable number.

2664844 is an abundant number, since it is smaller than the sum of its proper divisors (3075604).

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

2664844 is a wasteful number, since it uses less digits than its factorization.

2664844 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7345 (or 7343 counting only the distinct ones).

The product of its digits is 36864, while the sum is 34.

The square root of 2664844 is about 1632.4349910486. The cubic root of 2664844 is about 138.6406535071.

The spelling of 2664844 in words is "two million, six hundred sixty-four thousand, eight hundred forty-four".