871897 has 8 divisors (see below), whose sum is σ = 959616. Its totient is φ = 787152.

The previous prime is 871883. The next prime is 871901. The reversal of 871897 is 798178.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 871897 - 2¹¹ = 869849 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (871817) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 103 + ... + 1324.

It is an arithmetic number, because the mean of its divisors is an integer number (119952).

2⁸⁷¹⁸⁹⁷ is an apocalyptic number.

It is an amenable number.

871897 is a deficient number, since it is larger than the sum of its proper divisors (87719).

871897 is a wasteful number, since it uses less digits than its factorization.

871897 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1487.

The product of its digits is 28224, while the sum is 40.

The square root of 871897 is about 933.7542503250. The cubic root of 871897 is about 95.5333618809.

The spelling of 871897 in words is "eight hundred seventy-one thousand, eight hundred ninety-seven".