3944456 has 16 divisors (see below), whose sum is σ = 7430400. Its totient is φ = 1963024.

The previous prime is 3944449. The next prime is 3944461. The reversal of 3944456 is 6544493.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 881 + ... + 2943.

It is an arithmetic number, because the mean of its divisors is an integer number (464400).

Almost surely, 2^3944456 is an apocalyptic number.

It is an amenable number.

3944456 is a deficient number, since it is larger than the sum of its proper divisors (3485944).

3944456 is a wasteful number, since it uses less digits than its factorization.

3944456 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2308 (or 2304 counting only the distinct ones).

The product of its digits is 51840, while the sum is 35.

The square root of 3944456 is about 1986.0654571287. The cubic root of 3944456 is about 158.0019227454.

The spelling of 3944456 in words is "three million, nine hundred forty-four thousand, four hundred fifty-six".