853000 has 32 divisors (see below), whose sum is σ = 1998360. Its totient is φ = 340800.

The previous prime is 852997. The next prime is 853007. The reversal of 853000 is 358.

It can be written as a sum of positive squares in 4 ways, for example, as 75076 + 777924 = 274^2 + 882^2 .

It is a nialpdrome in base 10.

It is not an unprimeable number, because it can be changed into a prime (853007) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (5) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 574 + ... + 1426.

2⁸⁵³⁰⁰⁰ is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 853000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (999180).

853000 is an abundant number, since it is smaller than the sum of its proper divisors (1145360).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

853000 is a wasteful number, since it uses less digits than its factorization.

853000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 874 (or 860 counting only the distinct ones).

The product of its (nonzero) digits is 120, while the sum is 16.

The square root of 853000 is about 923.5799911215. The cubic root of 853000 is about 94.8381361873.

Adding to 853000 its reverse (358), we get a palindrome (853358).

The spelling of 853000 in words is "eight hundred fifty-three thousand".