2144844 has 36 divisors (see below), whose sum is σ = 5840016. Its totient is φ = 659808.

The previous prime is 2144843. The next prime is 2144867. The reversal of 2144844 is 4484412.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (36).

It is not an unprimeable number, because it can be changed into a prime (2144843) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1824 + ... + 2759.

2^2144844 is an apocalyptic number.

It is an amenable number.

2144844 is an abundant number, since it is smaller than the sum of its proper divisors (3695172).

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

2144844 is a wasteful number, since it uses less digits than its factorization.

2144844 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4606 (or 4601 counting only the distinct ones).

The product of its digits is 4096, while the sum is 27.

The square root of 2144844 is about 1464.5285930975. The cubic root of 2144844 is about 128.9630324936.

The spelling of 2144844 in words is "two million, one hundred forty-four thousand, eight hundred forty-four".