2164844 has 12 divisors (see below), whose sum is σ = 4132968. Its totient is φ = 984000.

The previous prime is 2164843. The next prime is 2164853. The reversal of 2164844 is 4484612.

It is not an unprimeable number, because it can be changed into a prime (2164843) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 24557 + ... + 24644.

It is an arithmetic number, because the mean of its divisors is an integer number (344414).

2^2164844 is an apocalyptic number.

It is an amenable number.

2164844 is a deficient number, since it is larger than the sum of its proper divisors (1968124).

2164844 is a wasteful number, since it uses less digits than its factorization.

2164844 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49216 (or 49214 counting only the distinct ones).

The product of its digits is 6144, while the sum is 29.

The square root of 2164844 is about 1471.3408850433. The cubic root of 2164844 is about 129.3626396431.

The spelling of 2164844 in words is "two million, one hundred sixty-four thousand, eight hundred forty-four".