871616 has 14 divisors (see below), whose sum is σ = 1729740. Its totient is φ = 435776.

The previous prime is 871613. The next prime is 871621. The reversal of 871616 is 616178.

It is not an unprimeable number, because it can be changed into a prime (871613) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6746 + ... + 6873.

2⁸⁷¹⁶¹⁶ is an apocalyptic number.

It is an amenable number.

871616 is a deficient number, since it is larger than the sum of its proper divisors (858124).

871616 is a wasteful number, since it uses less digits than its factorization.

871616 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13631 (or 13621 counting only the distinct ones).

The product of its digits is 2016, while the sum is 29.

The square root of 871616 is about 933.6037703437. The cubic root of 871616 is about 95.5230977637.

The spelling of 871616 in words is "eight hundred seventy-one thousand, six hundred sixteen".