867171 has 8 divisors (see below), whose sum is σ = 1163344. Its totient is φ = 574560.

The previous prime is 867161. The next prime is 867173. The reversal of 867171 is 171768.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a de Polignac number, because none of the positive numbers 2^k-867171 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (867173) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 256 + ... + 1341.

It is an arithmetic number, because the mean of its divisors is an integer number (145418).

2⁸⁶⁷¹⁷¹ is an apocalyptic number.

867171 is a deficient number, since it is larger than the sum of its proper divisors (296173).

867171 is a wasteful number, since it uses less digits than its factorization.

867171 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1781.

The product of its digits is 2352, while the sum is 30.

The square root of 867171 is about 931.2201673074. The cubic root of 867171 is about 95.3604405069.

The spelling of 867171 in words is "eight hundred sixty-seven thousand, one hundred seventy-one".