852855 has 8 divisors (see below), whose sum is σ = 1364592. Its totient is φ = 454848.

The previous prime is 852851. The next prime is 852857. The reversal of 852855 is 558258.

852855 = 411² + 412² + ... + 415².

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

It is not a de Polignac number, because 852855 - 2² = 852851 is a prime.

852855 is a lucky number.

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, 28414 + ... + 28443.

It is an arithmetic number, because the mean of its divisors is an integer number (170574).

2⁸⁵²⁸⁵⁵ is an apocalyptic number.

852855 is a deficient number, since it is larger than the sum of its proper divisors (511737).

852855 is a wasteful number, since it uses less digits than its factorization.

852855 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56865.

The product of its digits is 16000, while the sum is 33.

The square root of 852855 is about 923.5014888997. The cubic root of 852855 is about 94.8327620923.

The spelling of 852855 in words is "eight hundred fifty-two thousand, eight hundred fifty-five".