2003944 has 16 divisors (see below), whose sum is σ = 3921120. Its totient is φ = 958320.

The previous prime is 2003927. The next prime is 2003951. The reversal of 2003944 is 4493002.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5262 + ... + 5629.

It is an arithmetic number, because the mean of its divisors is an integer number (245070).

2^2003944 is an apocalyptic number.

It is an amenable number.

2003944 is a deficient number, since it is larger than the sum of its proper divisors (1917176).

2003944 is a wasteful number, since it uses less digits than its factorization.

2003944 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10920 (or 10916 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 22.

The square root of 2003944 is about 1415.6072901762. The cubic root of 2003944 is about 126.0748694198.

Adding to 2003944 its reverse (4493002), we get a palindrome (6496946).

The spelling of 2003944 in words is "two million, three thousand, nine hundred forty-four".