3944402 has 24 divisors (see below), whose sum is σ = 7510320. Its totient is φ = 1536360.

The previous prime is 3944399. The next prime is 3944407. The reversal of 3944402 is 2044493.

It is not an unprimeable number, because it can be changed into a prime (3944407) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 752 + ... + 2907.

It is an arithmetic number, because the mean of its divisors is an integer number (312930).

Almost surely, 2^3944402 is an apocalyptic number.

3944402 is a deficient number, since it is larger than the sum of its proper divisors (3565918).

3944402 is a wasteful number, since it uses less digits than its factorization.

3944402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3686 (or 3679 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 26.

The square root of 3944402 is about 1986.0518623641. The cubic root of 3944402 is about 158.0012017214.

Adding to 3944402 its reverse (2044493), we get a palindrome (5988895).

The spelling of 3944402 in words is "three million, nine hundred forty-four thousand, four hundred two".