871136 has 24 divisors (see below), whose sum is σ = 1960560. Its totient is φ = 373248.

The previous prime is 871103. The next prime is 871147. The reversal of 871136 is 631178.

It is a congruent number.

It is an unprimeable number.

871136 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, 1721 + ... + 2168.

It is an arithmetic number, because the mean of its divisors is an integer number (81690).

2⁸⁷¹¹³⁶ is an apocalyptic number.

It is an amenable number.

871136 is an abundant number, since it is smaller than the sum of its proper divisors (1089424).

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

871136 is a wasteful number, since it uses less digits than its factorization.

871136 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3906 (or 3898 counting only the distinct ones).

The product of its digits is 1008, while the sum is 26.

The square root of 871136 is about 933.3466665714. The cubic root of 871136 is about 95.5055596482.

The spelling of 871136 in words is "eight hundred seventy-one thousand, one hundred thirty-six".