3870171 has 6 divisors (see below), whose sum is σ = 5590260. Its totient is φ = 2580108.

The previous prime is 3870157. The next prime is 3870173. The reversal of 3870171 is 1710783.

It is not a de Polignac number, because 3870171 - 2¹⁵ = 3837403 is a prime.

It is not an unprimeable number, because it can be changed into a prime (3870173) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 215001 + ... + 215018.

It is an arithmetic number, because the mean of its divisors is an integer number (931710).

Almost surely, 2^3870171 is an apocalyptic number.

3870171 is a deficient number, since it is larger than the sum of its proper divisors (1720089).

3870171 is a wasteful number, since it uses less digits than its factorization.

3870171 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 430025 (or 430022 counting only the distinct ones).

The product of its (nonzero) digits is 1176, while the sum is 27.

The square root of 3870171 is about 1967.2750189031. The cubic root of 3870171 is about 157.0037593593.

The spelling of 3870171 in words is "three million, eight hundred seventy thousand, one hundred seventy-one".