985243 has 6 divisors (see below), whose sum is σ = 1146156. Its totient is φ = 844452.

The previous prime is 985219. The next prime is 985253. The reversal of 985243 is 342589.

985243 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 985243 - 2¹⁷ = 854171 is a prime.

It is a d-powerful number, because it can be written as 9⁵ + 8⁴ + 2⁴ + 5⁸ + 4² + 3¹² .

It is a Duffinian number.

985243 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (985213) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 10005 + ... + 10102.

It is an arithmetic number, because the mean of its divisors is an integer number (191026).

2⁹⁸⁵²⁴³ is an apocalyptic number.

985243 is a deficient number, since it is larger than the sum of its proper divisors (160913).

985243 is a wasteful number, since it uses less digits than its factorization.

985243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20121 (or 20114 counting only the distinct ones).

The product of its digits is 8640, while the sum is 31.

The square root of 985243 is about 992.5940761459. The cubic root of 985243 is about 99.5056603095.

The spelling of 985243 in words is "nine hundred eighty-five thousand, two hundred forty-three".