852823 has 4 divisors (see below), whose sum is σ = 868968. Its totient is φ = 836680.

The previous prime is 852809. The next prime is 852827. The reversal of 852823 is 328258.

852823 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 852823 - 2¹³ = 844631 is a prime.

It is a Duffinian number.

852823 is a lucky number.

It is a junction number, because it is equal to n+sod(n) for n = 852791 and 852800.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (852827) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7993 + ... + 8098.

It is an arithmetic number, because the mean of its divisors is an integer number (217242).

2⁸⁵²⁸²³ is an apocalyptic number.

852823 is a deficient number, since it is larger than the sum of its proper divisors (16145).

852823 is a wasteful number, since it uses less digits than its factorization.

852823 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16144.

The product of its digits is 3840, while the sum is 28.

The square root of 852823 is about 923.4841633726. The cubic root of 852823 is about 94.8315760031.

The spelling of 852823 in words is "eight hundred fifty-two thousand, eight hundred twenty-three".