2939444 has 12 divisors (see below), whose sum is σ = 5168100. Its totient is φ = 1462848.

The previous prime is 2939401. The next prime is 2939449. The reversal of 2939444 is 4449392.

2939444 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 2280100 + 659344 = 1510^2 + 812^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2939449) 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, 689 + ... + 2520.

It is an arithmetic number, because the mean of its divisors is an integer number (430675).

2^2939444 is an apocalyptic number.

It is an amenable number.

2939444 is a deficient number, since it is larger than the sum of its proper divisors (2228656).

2939444 is a wasteful number, since it uses less digits than its factorization.

2939444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3442 (or 3440 counting only the distinct ones).

The product of its digits is 31104, while the sum is 35.

The square root of 2939444 is about 1714.4806793895. The cubic root of 2939444 is about 143.2479438520.

The spelling of 2939444 in words is "two million, nine hundred thirty-nine thousand, four hundred forty-four".