3944444 has 24 divisors (see below), whose sum is σ = 7943040. Its totient is φ = 1678896.

The previous prime is 3944441. The next prime is 3944449. The reversal of 3944444 is 4444493.

It is a self number, because there is not a number n which added to its sum of digits gives 3944444.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3944441) 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, 4619 + ... + 5405.

It is an arithmetic number, because the mean of its divisors is an integer number (330960).

Almost surely, 2^3944444 is an apocalyptic number.

It is an amenable number.

3944444 is an abundant number, since it is smaller than the sum of its proper divisors (3998596).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

3944444 is a wasteful number, since it uses less digits than its factorization.

3944444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 977 (or 975 counting only the distinct ones).

The product of its digits is 27648, while the sum is 32.

The square root of 3944444 is about 1986.0624360780. The cubic root of 3944444 is about 158.0017625184.

The spelling of 3944444 in words is "three million, nine hundred forty-four thousand, four hundred forty-four".