3887171 has 2 divisors, whose sum is σ = 3887172. Its totient is φ = 3887170.

The previous prime is 3887167. The next prime is 3887173. The reversal of 3887171 is 1717883.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 3887171 - 2² = 3887167 is a prime.

It is a super-2 number, since 2×3887171² = 30220196766482, which contains 22 as substring.

It is a Sophie Germain prime.

Together with 3887173, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (3887173) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1943585 + 1943586.

It is an arithmetic number, because the mean of its divisors is an integer number (1943586).

Almost surely, 2^3887171 is an apocalyptic number.

3887171 is a deficient number, since it is larger than the sum of its proper divisors (1).

3887171 is an equidigital number, since it uses as much as digits as its factorization.

3887171 is an evil number, because the sum of its binary digits is even.

The product of its digits is 9408, while the sum is 35.

The square root of 3887171 is about 1971.5909819230. The cubic root of 3887171 is about 157.2333069599.

The spelling of 3887171 in words is "three million, eight hundred eighty-seven thousand, one hundred seventy-one".