3944907 has 12 divisors (see below), whose sum is σ = 5767944. Its totient is φ = 2597760.

The previous prime is 3944881. The next prime is 3944909. The reversal of 3944907 is 7094493.

It is not a de Polignac number, because 3944907 - 2¹⁰ = 3943883 is a prime.

3944907 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (3944909) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1894 + ... + 3387.

It is an arithmetic number, because the mean of its divisors is an integer number (480662).

Almost surely, 2^3944907 is an apocalyptic number.

3944907 is a deficient number, since it is larger than the sum of its proper divisors (1823037).

3944907 is a wasteful number, since it uses less digits than its factorization.

3944907 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5370 (or 5367 counting only the distinct ones).

The product of its (nonzero) digits is 27216, while the sum is 36.

The square root of 3944907 is about 1986.1789949549. The cubic root of 3944907 is about 158.0079443744.

It can be divided in two parts, 3944 and 907, that added together give a triangular number (4851 = T₉₈).

The spelling of 3944907 in words is "three million, nine hundred forty-four thousand, nine hundred seven".