3967143 has 16 divisors (see below), whose sum is σ = 5644800. Its totient is φ = 2471040.

The previous prime is 3967141. The next prime is 3967147. The reversal of 3967143 is 3417693.

3967143 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 3967143 - 2¹ = 3967141 is a prime.

3967143 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3967141) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4063 + ... + 4943.

It is an arithmetic number, because the mean of its divisors is an integer number (352800).

Almost surely, 2^3967143 is an apocalyptic number.

3967143 is a deficient number, since it is larger than the sum of its proper divisors (1677657).

3967143 is a wasteful number, since it uses less digits than its factorization.

3967143 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 982.

The product of its digits is 13608, while the sum is 33.

The square root of 3967143 is about 1991.7688118856. The cubic root of 3967143 is about 158.3042660091.

The spelling of 3967143 in words is "three million, nine hundred sixty-seven thousand, one hundred forty-three".