873859 has 8 divisors (see below), whose sum is σ = 1031168. Its totient is φ = 724680.

The previous prime is 873787. The next prime is 873863. The reversal of 873859 is 958378.

873859 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 873859 - 2¹⁵ = 841091 is a prime.

It is a Duffinian number.

It is a plaindrome in base 13.

It is not an unprimeable number, because it can be changed into a prime (873359) 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, 1797 + ... + 2230.

It is an arithmetic number, because the mean of its divisors is an integer number (128896).

2⁸⁷³⁸⁵⁹ is an apocalyptic number.

873859 is a deficient number, since it is larger than the sum of its proper divisors (157309).

873859 is a wasteful number, since it uses less digits than its factorization.

873859 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4065.

The product of its digits is 60480, while the sum is 40.

The square root of 873859 is about 934.8042575855. The cubic root of 873859 is about 95.6049666835.

The spelling of 873859 in words is "eight hundred seventy-three thousand, eight hundred fifty-nine".