2120444 has 12 divisors (see below), whose sum is σ = 3929184. Its totient is φ = 997824.

The previous prime is 2120429. The next prime is 2120453. The reversal of 2120444 is 4440212.

2120444 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (17).

It is a congruent number.

It is an unprimeable number.

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, 15524 + ... + 15659.

It is an arithmetic number, because the mean of its divisors is an integer number (327432).

2^2120444 is an apocalyptic number.

It is an amenable number.

2120444 is a deficient number, since it is larger than the sum of its proper divisors (1808740).

2120444 is a wasteful number, since it uses less digits than its factorization.

2120444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31204 (or 31202 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 17.

The square root of 2120444 is about 1456.1744400998. The cubic root of 2120444 is about 128.4721333285.

Adding to 2120444 its reverse (4440212), we get a palindrome (6560656).

The spelling of 2120444 in words is "two million, one hundred twenty thousand, four hundred forty-four".