3982171 has 2 divisors, whose sum is σ = 3982172. Its totient is φ = 3982170.

The previous prime is 3982157. The next prime is 3982183. The reversal of 3982171 is 1712893.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3982171 is a prime.

It is not a weakly prime, because it can be changed into another prime (3982271) 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 as a sum of consecutive naturals, namely, 1991085 + 1991086.

It is an arithmetic number, because the mean of its divisors is an integer number (1991086).

Almost surely, 2^3982171 is an apocalyptic number.

3982171 is a deficient number, since it is larger than the sum of its proper divisors (1).

3982171 is an equidigital number, since it uses as much as digits as its factorization.

3982171 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3024, while the sum is 31.

The square root of 3982171 is about 1995.5377721306. The cubic root of 3982171 is about 158.5039058039.

The spelling of 3982171 in words is "three million, nine hundred eighty-two thousand, one hundred seventy-one".