852805 has 16 divisors (see below), whose sum is σ = 1105920. Its totient is φ = 628992.

The previous prime is 852799. The next prime is 852809. The reversal of 852805 is 508258.

It is a cyclic number.

It is not a de Polignac number, because 852805 - 2¹⁵ = 820037 is a prime.

852805 is a modest number, since divided by 2805 gives 85 as remainder.

852805 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (852809) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6652 + ... + 6778.

It is an arithmetic number, because the mean of its divisors is an integer number (69120).

2⁸⁵²⁸⁰⁵ is an apocalyptic number.

852805 is a gapful number since it is divisible by the number (85) formed by its first and last digit.

It is an amenable number.

852805 is a deficient number, since it is larger than the sum of its proper divisors (253115).

852805 is a wasteful number, since it uses less digits than its factorization.

852805 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 228.

The product of its (nonzero) digits is 3200, while the sum is 28.

The square root of 852805 is about 923.4744176208. The cubic root of 852805 is about 94.8309088149.

The spelling of 852805 in words is "eight hundred fifty-two thousand, eight hundred five".