871959 has 8 divisors (see below), whose sum is σ = 1268352. Its totient is φ = 528440.

The previous prime is 871957. The next prime is 871963. The reversal of 871959 is 959178.

It is a happy number.

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

It is not a de Polignac number, because 871959 - 2¹ = 871957 is a prime.

It is a plaindrome in base 14 and base 15.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 871959.

It is not an unprimeable number, because it can be changed into a prime (871957) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13179 + ... + 13244.

It is an arithmetic number, because the mean of its divisors is an integer number (158544).

2⁸⁷¹⁹⁵⁹ is an apocalyptic number.

871959 is a deficient number, since it is larger than the sum of its proper divisors (396393).

871959 is a wasteful number, since it uses less digits than its factorization.

871959 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26437.

The product of its digits is 22680, while the sum is 39.

The square root of 871959 is about 933.7874490482. The cubic root of 871959 is about 95.5356262646.

It can be divided in two parts, 8719 and 59, that added together give a palindrome (8778).

The spelling of 871959 in words is "eight hundred seventy-one thousand, nine hundred fifty-nine".