985000 has 40 divisors (see below), whose sum is σ = 2319570. Its totient is φ = 392000.

The previous prime is 984959. The next prime is 985003. The reversal of 985000 is 589.

985000 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 5 ways, for example, as 171396 + 813604 = 414^2 + 902^2 .

It is a tau number, because it is divible by the number of its divisors (40).

It is a nialpdrome in base 10.

It is not an unprimeable number, because it can be changed into a prime (985003) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 4902 + ... + 5098.

2⁹⁸⁵⁰⁰⁰ 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 985000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1159785).

985000 is an abundant number, since it is smaller than the sum of its proper divisors (1334570).

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

985000 is a wasteful number, since it uses less digits than its factorization.

985000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 223 (or 204 counting only the distinct ones).

The product of its (nonzero) digits is 360, while the sum is 22.

The square root of 985000 is about 992.4716620640. The cubic root of 985000 is about 99.4974789560.

Adding to 985000 its reverse (589), we get a palindrome (985589).

It can be divided in two parts, 98 and 5000, that multiplied together give a square (490000 = 700²).

The spelling of 985000 in words is "nine hundred eighty-five thousand".