3920044 has 12 divisors (see below), whose sum is σ = 6913368. Its totient is φ = 1944800.

The previous prime is 3920029. The next prime is 3920057. The reversal of 3920044 is 4400293.

It is an Ulam number.

It is a junction number, because it is equal to n+sod(n) for n = 3919997 and 3920024.

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, 3217 + ... + 4264.

It is an arithmetic number, because the mean of its divisors is an integer number (576114).

Almost surely, 2^3920044 is an apocalyptic number.

It is an amenable number.

3920044 is a deficient number, since it is larger than the sum of its proper divisors (2993324).

3920044 is a wasteful number, since it uses less digits than its factorization.

3920044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7616 (or 7614 counting only the distinct ones).

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

The square root of 3920044 is about 1979.9100989691. The cubic root of 3920044 is about 157.6752931993.

Subtracting 3920044 from its reverse (4400293), we obtain a square (480249 = 693²).

The spelling of 3920044 in words is "three million, nine hundred twenty thousand, forty-four".