2889944 has 32 divisors (see below), whose sum is σ = 5744640. Its totient is φ = 1360800.

The previous prime is 2889923. The next prime is 2889947. The reversal of 2889944 is 4499882.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 2889895 and 2889904.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2889947) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10529 + ... + 10799.

It is an arithmetic number, because the mean of its divisors is an integer number (179520).

2^2889944 is an apocalyptic number.

It is an amenable number.

2889944 is a deficient number, since it is larger than the sum of its proper divisors (2854696).

2889944 is a wasteful number, since it uses less digits than its factorization.

2889944 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 351 (or 347 counting only the distinct ones).

The product of its digits is 165888, while the sum is 44.

The square root of 2889944 is about 1699.9835293320. The cubic root of 2889944 is about 142.4392929063.

The spelling of 2889944 in words is "two million, eight hundred eighty-nine thousand, nine hundred forty-four".