3967943 has 8 divisors (see below), whose sum is σ = 4553088. Its totient is φ = 3387384.

The previous prime is 3967913. The next prime is 3967961. The reversal of 3967943 is 3497693.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 3967943 - 2⁸ = 3967687 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 3967943.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3967913) 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 7 ways as a sum of consecutive naturals, for example, 980 + ... + 2982.

It is an arithmetic number, because the mean of its divisors is an integer number (569136).

Almost surely, 2^3967943 is an apocalyptic number.

3967943 is a deficient number, since it is larger than the sum of its proper divisors (585145).

3967943 is a wasteful number, since it uses less digits than its factorization.

3967943 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2293.

The product of its digits is 122472, while the sum is 41.

The square root of 3967943 is about 1991.9696282825. The cubic root of 3967943 is about 158.3149063197.

The spelling of 3967943 in words is "three million, nine hundred sixty-seven thousand, nine hundred forty-three".