3920944 has 20 divisors (see below), whose sum is σ = 7633440. Its totient is φ = 1951040.

The previous prime is 3920941. The next prime is 3920947. The reversal of 3920944 is 4490293.

3920944 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (3920941) and next prime (3920947).

It is a super-2 number, since 2×3920944² = 30747603702272, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (3920941) 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, 3849 + ... + 4759.

It is an arithmetic number, because the mean of its divisors is an integer number (381672).

Almost surely, 2^3920944 is an apocalyptic number.

It is an amenable number.

3920944 is a deficient number, since it is larger than the sum of its proper divisors (3712496).

3920944 is a wasteful number, since it uses less digits than its factorization.

3920944 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1188 (or 1182 counting only the distinct ones).

The product of its (nonzero) digits is 7776, while the sum is 31.

The square root of 3920944 is about 1980.1373689722. The cubic root of 3920944 is about 157.6873591272.

The spelling of 3920944 in words is "three million, nine hundred twenty thousand, nine hundred forty-four".