871286 has 32 divisors (see below), whose sum is σ = 1548288. Its totient is φ = 364320.

The previous prime is 871271. The next prime is 871289. The reversal of 871286 is 682178.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (871289) by changing a digit.

871286 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 18515 + ... + 18561.

It is an arithmetic number, because the mean of its divisors is an integer number (48384).

2⁸⁷¹²⁸⁶ is an apocalyptic number.

871286 is a deficient number, since it is larger than the sum of its proper divisors (677002).

871286 is a wasteful number, since it uses less digits than its factorization.

871286 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 116.

The product of its digits is 5376, while the sum is 32.

The square root of 871286 is about 933.4270191075. The cubic root of 871286 is about 95.5110410012.

The spelling of 871286 in words is "eight hundred seventy-one thousand, two hundred eighty-six".