852861 has 8 divisors (see below), whose sum is σ = 1176480. Its totient is φ = 548912.

The previous prime is 852857. The next prime is 852871. The reversal of 852861 is 168258.

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

It is not a de Polignac number, because 852861 - 2² = 852857 is a prime.

It is a congruent 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, 4815 + ... + 4988.

It is an arithmetic number, because the mean of its divisors is an integer number (147060).

2⁸⁵²⁸⁶¹ is an apocalyptic number.

It is an amenable number.

852861 is a deficient number, since it is larger than the sum of its proper divisors (323619).

852861 is a wasteful number, since it uses less digits than its factorization.

852861 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9835.

The product of its digits is 3840, while the sum is 30.

The square root of 852861 is about 923.5047373999. The cubic root of 852861 is about 94.8329844808.

The spelling of 852861 in words is "eight hundred fifty-two thousand, eight hundred sixty-one".