3944207 has 4 divisors (see below), whose sum is σ = 4018680. Its totient is φ = 3869736.

The previous prime is 3944189. The next prime is 3944219. The reversal of 3944207 is 7024493.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 3944207 - 2¹⁴ = 3927823 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 3944207.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3944257) 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 3 ways as a sum of consecutive naturals, for example, 37157 + ... + 37262.

It is an arithmetic number, because the mean of its divisors is an integer number (1004670).

Almost surely, 2^3944207 is an apocalyptic number.

3944207 is a deficient number, since it is larger than the sum of its proper divisors (74473).

3944207 is an equidigital number, since it uses as much as digits as its factorization.

3944207 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 74472.

The product of its (nonzero) digits is 6048, while the sum is 29.

The square root of 3944207 is about 1986.0027693838. The cubic root of 3944207 is about 157.9985979687.

The spelling of 3944207 in words is "three million, nine hundred forty-four thousand, two hundred seven".