871716 has 12 divisors (see below), whose sum is σ = 2034032. Its totient is φ = 290568.

The previous prime is 871687. The next prime is 871727. The reversal of 871716 is 617178.

It is a tau number, because it is divible by the number of its divisors (12).

It is a plaindrome in base 15.

It is an unprimeable number.

871716 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 3 ways as a sum of consecutive naturals, for example, 36310 + ... + 36333.

2⁸⁷¹⁷¹⁶ is an apocalyptic number.

It is an amenable number.

871716 is an abundant number, since it is smaller than the sum of its proper divisors (1162316).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

871716 is a wasteful number, since it uses less digits than its factorization.

871716 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 72650 (or 72648 counting only the distinct ones).

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

The square root of 871716 is about 933.6573247182. The cubic root of 871716 is about 95.5267507273.

The spelling of 871716 in words is "eight hundred seventy-one thousand, seven hundred sixteen".