871516 has 12 divisors (see below), whose sum is σ = 1591632. Its totient is φ = 416768.

The previous prime is 871513. The next prime is 871517. The reversal of 871516 is 615178.

It is a happy number.

871516 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (871513) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4645 + ... + 4828.

It is an arithmetic number, because the mean of its divisors is an integer number (132636).

2⁸⁷¹⁵¹⁶ is an apocalyptic number.

It is an amenable number.

871516 is a deficient number, since it is larger than the sum of its proper divisors (720116).

871516 is a wasteful number, since it uses less digits than its factorization.

871516 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9500 (or 9498 counting only the distinct ones).

The product of its digits is 1680, while the sum is 28.

The square root of 871516 is about 933.5502128970. The cubic root of 871516 is about 95.5194445207.

The spelling of 871516 in words is "eight hundred seventy-one thousand, five hundred sixteen".