3949944 has 16 divisors (see below), whose sum is σ = 9874920. Its totient is φ = 1316640.

The previous prime is 3949919. The next prime is 3949961. The reversal of 3949944 is 4499493.

3949944 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 3949896 and 3949905.

It is a congruent number.

It is an unprimeable number.

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, 82267 + ... + 82314.

Almost surely, 2^3949944 is an apocalyptic number.

It is an amenable number.

3949944 is an abundant number, since it is smaller than the sum of its proper divisors (5924976).

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

3949944 is a wasteful number, since it uses less digits than its factorization.

3949944 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 164590 (or 164586 counting only the distinct ones).

The product of its digits is 139968, while the sum is 42.

The square root of 3949944 is about 1987.4466030563. The cubic root of 3949944 is about 158.0751658591.

The spelling of 3949944 in words is "three million, nine hundred forty-nine thousand, nine hundred forty-four".