3956171 has 2 divisors, whose sum is σ = 3956172. Its totient is φ = 3956170.

The previous prime is 3956159. The next prime is 3956179. The reversal of 3956171 is 1716593.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 3956171 - 2¹⁴ = 3939787 is a prime.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (3956179) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1978085 + 1978086.

It is an arithmetic number, because the mean of its divisors is an integer number (1978086).

Almost surely, 2^3956171 is an apocalyptic number.

3956171 is a deficient number, since it is larger than the sum of its proper divisors (1).

3956171 is an equidigital number, since it uses as much as digits as its factorization.

3956171 is an evil number, because the sum of its binary digits is even.

The product of its digits is 5670, while the sum is 32.

The square root of 3956171 is about 1989.0125690905. The cubic root of 3956171 is about 158.1581895889.

The spelling of 3956171 in words is "three million, nine hundred fifty-six thousand, one hundred seventy-one".