859671 has 12 divisors (see below), whose sum is σ = 1296048. Its totient is φ = 548064.

The previous prime is 859669. The next prime is 859679. The reversal of 859671 is 176958.

It is not a de Polignac number, because 859671 - 2¹ = 859669 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (859679) 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 11 ways as a sum of consecutive naturals, for example, 1870 + ... + 2283.

It is an arithmetic number, because the mean of its divisors is an integer number (108004).

2⁸⁵⁹⁶⁷¹ is an apocalyptic number.

859671 is a deficient number, since it is larger than the sum of its proper divisors (436377).

859671 is a wasteful number, since it uses less digits than its factorization.

859671 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4182 (or 4179 counting only the distinct ones).

The product of its digits is 15120, while the sum is 36.

The square root of 859671 is about 927.1844476694. The cubic root of 859671 is about 95.0847258920.

The spelling of 859671 in words is "eight hundred fifty-nine thousand, six hundred seventy-one".