868671 has 8 divisors (see below), whose sum is σ = 1286960. Its totient is φ = 579096.

The previous prime is 868669. The next prime is 868691. The reversal of 868671 is 176868.

It is not a de Polignac number, because 868671 - 2¹ = 868669 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 (868691) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16060 + ... + 16113.

It is an arithmetic number, because the mean of its divisors is an integer number (160870).

2⁸⁶⁸⁶⁷¹ is an apocalyptic number.

868671 is a deficient number, since it is larger than the sum of its proper divisors (418289).

868671 is a wasteful number, since it uses less digits than its factorization.

868671 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32182 (or 32176 counting only the distinct ones).

The product of its digits is 16128, while the sum is 36.

The square root of 868671 is about 932.0252142512. The cubic root of 868671 is about 95.4153924770.

It can be divided in two parts, 86867 and 1, that added together give a palindrome (86868).

The spelling of 868671 in words is "eight hundred sixty-eight thousand, six hundred seventy-one".