2099444 has 12 divisors (see below), whose sum is σ = 3792768. Its totient is φ = 1015800.

The previous prime is 2099441. The next prime is 2099453. The reversal of 2099444 is 4449902.

It is a self number, because there is not a number n which added to its sum of digits gives 2099444.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2099441) 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, 8342 + ... + 8589.

It is an arithmetic number, because the mean of its divisors is an integer number (316064).

2^2099444 is an apocalyptic number.

It is an amenable number.

2099444 is a deficient number, since it is larger than the sum of its proper divisors (1693324).

2099444 is a wasteful number, since it uses less digits than its factorization.

2099444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16966 (or 16964 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 32.

The square root of 2099444 is about 1448.9458236939. The cubic root of 2099444 is about 128.0466138819.

The spelling of 2099444 in words is "two million, ninety-nine thousand, four hundred forty-four".