2660844 has 12 divisors (see below), whose sum is σ = 6208664. Its totient is φ = 886944.

The previous prime is 2660839. The next prime is 2660849. The reversal of 2660844 is 4480662.

2660844 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (2660839) and next prime (2660849).

It is a tau number, because it is divible by the number of its divisors (12).

It is not an unprimeable number, because it can be changed into a prime (2660849) by changing a digit.

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, 110857 + ... + 110880.

2^2660844 is an apocalyptic number.

It is an amenable number.

2660844 is an abundant number, since it is smaller than the sum of its proper divisors (3547820).

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

2660844 is a wasteful number, since it uses less digits than its factorization.

2660844 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 221744 (or 221742 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 30.

The square root of 2660844 is about 1631.2093673100. The cubic root of 2660844 is about 138.5712510310.

The spelling of 2660844 in words is "two million, six hundred sixty thousand, eight hundred forty-four".