3957143 has 2 divisors, whose sum is σ = 3957144. Its totient is φ = 3957142.

The previous prime is 3957133. The next prime is 3957167. The reversal of 3957143 is 3417593.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 3957143 - 2¹⁰ = 3956119 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3957103) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1978571 + 1978572.

It is an arithmetic number, because the mean of its divisors is an integer number (1978572).

Almost surely, 2^3957143 is an apocalyptic number.

3957143 is a deficient number, since it is larger than the sum of its proper divisors (1).

3957143 is an equidigital number, since it uses as much as digits as its factorization.

3957143 is an evil number, because the sum of its binary digits is even.

The product of its digits is 11340, while the sum is 32.

The square root of 3957143 is about 1989.2568964314. The cubic root of 3957143 is about 158.1711412680.

The spelling of 3957143 in words is "three million, nine hundred fifty-seven thousand, one hundred forty-three".