871016 has 8 divisors (see below), whose sum is σ = 1633170. Its totient is φ = 435504.

The previous prime is 871001. The next prime is 871021. The reversal of 871016 is 610178.

It can be written as a sum of positive squares in only one way, i.e., 568516 + 302500 = 754^2 + 550^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a junction number, because it is equal to n+sod(n) for n = 870982 and 871000.

It is an unprimeable number.

871016 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 as a sum of consecutive naturals, namely, 54431 + ... + 54446.

2⁸⁷¹⁰¹⁶ is an apocalyptic number.

It is an amenable number.

871016 is a deficient number, since it is larger than the sum of its proper divisors (762154).

871016 is a wasteful number, since it uses less digits than its factorization.

871016 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 108883 (or 108879 counting only the distinct ones).

The product of its (nonzero) digits is 336, while the sum is 23.

The square root of 871016 is about 933.2823795615. The cubic root of 871016 is about 95.5011741127.

The spelling of 871016 in words is "eight hundred seventy-one thousand, sixteen".