3944912 has 10 divisors (see below), whose sum is σ = 7643298. Its totient is φ = 1972448.

The previous prime is 3944911. The next prime is 3944921. The reversal of 3944912 is 2194493.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 3857296 + 87616 = 1964^2 + 296^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3944911) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 123263 + ... + 123294.

Almost surely, 2^3944912 is an apocalyptic number.

It is an amenable number.

3944912 is a deficient number, since it is larger than the sum of its proper divisors (3698386).

3944912 is a wasteful number, since it uses less digits than its factorization.

3944912 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 246565 (or 246559 counting only the distinct ones).

The product of its digits is 7776, while the sum is 32.

The square root of 3944912 is about 1986.1802536527. The cubic root of 3944912 is about 158.0080111304.

It can be divided in two parts, 394491 and 2, that added together give a palindrome (394493).

The spelling of 3944912 in words is "three million, nine hundred forty-four thousand, nine hundred twelve".