3900044 has 6 divisors (see below), whose sum is σ = 6825084. Its totient is φ = 1950020.

The previous prime is 3899989. The next prime is 3900067. The reversal of 3900044 is 4400093.

It is an Ulam number.

It is a junction number, because it is equal to n+sod(n) for n = 3899989 and 3900025.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 487502 + ... + 487509.

It is an arithmetic number, because the mean of its divisors is an integer number (1137514).

Almost surely, 2^3900044 is an apocalyptic number.

It is an amenable number.

3900044 is a deficient number, since it is larger than the sum of its proper divisors (2925040).

3900044 is a wasteful number, since it uses less digits than its factorization.

3900044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 975015 (or 975013 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 20.

The square root of 3900044 is about 1974.8529059148. The cubic root of 3900044 is about 157.4066836155.

The spelling of 3900044 in words is "three million, nine hundred thousand, forty-four".