852859 has 8 divisors (see below), whose sum is σ = 988640. Its totient is φ = 720576.

The previous prime is 852857. The next prime is 852871. The reversal of 852859 is 958258.

It is a happy number.

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 852859 - 2¹ = 852857 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (852851) 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, 324 + ... + 1345.

It is an arithmetic number, because the mean of its divisors is an integer number (123580).

2⁸⁵²⁸⁵⁹ is an apocalyptic number.

852859 is a deficient number, since it is larger than the sum of its proper divisors (135781).

852859 is a wasteful number, since it uses less digits than its factorization.

852859 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1749.

The product of its digits is 28800, while the sum is 37.

The square root of 852859 is about 923.5036545678. The cubic root of 852859 is about 94.8329103514.

It can be divided in two parts, 852 and 859, that added together give a triangular number (1711 = T₅₈).

The spelling of 852859 in words is "eight hundred fifty-two thousand, eight hundred fifty-nine".