852985 has 8 divisors (see below), whose sum is σ = 1169856. Its totient is φ = 584880.

The previous prime is 852959. The next prime is 852989. The reversal of 852985 is 589258.

It is a happy number.

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

It is not a de Polignac number, because 852985 - 2⁵ = 852953 is a prime.

It is an Ulam number.

It is an alternating number because its digits alternate between even and odd.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (852989) 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, 12151 + ... + 12220.

It is an arithmetic number, because the mean of its divisors is an integer number (146232).

2⁸⁵²⁹⁸⁵ is an apocalyptic number.

It is an amenable number.

852985 is a deficient number, since it is larger than the sum of its proper divisors (316871).

852985 is a wasteful number, since it uses less digits than its factorization.

852985 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24383.

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

The square root of 852985 is about 923.5718705114. The cubic root of 852985 is about 94.8375802747.

The spelling of 852985 in words is "eight hundred fifty-two thousand, nine hundred eighty-five".