846985 has 8 divisors (see below), whose sum is σ = 1033416. Its totient is φ = 666240.

The previous prime is 846983. The next prime is 846997. The reversal of 846985 is 589648.

846985 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 24336 + 822649 = 156^2 + 907^2 .

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

It is not a de Polignac number, because 846985 - 2¹ = 846983 is a prime.

It is a Duffinian number.

846985 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (846983) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1084 + ... + 1693.

It is an arithmetic number, because the mean of its divisors is an integer number (129177).

2⁸⁴⁶⁹⁸⁵ is an apocalyptic number.

It is an amenable number.

846985 is a deficient number, since it is larger than the sum of its proper divisors (186431).

846985 is a wasteful number, since it uses less digits than its factorization.

846985 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2843.

The product of its digits is 69120, while the sum is 40.

The square root of 846985 is about 920.3178798654. The cubic root of 846985 is about 94.6146904942.

The spelling of 846985 in words is "eight hundred forty-six thousand, nine hundred eighty-five".