985396311 has 6 divisors (see below), whose sum is σ = 1423350240. Its totient is φ = 656930868.

The previous prime is 985396301. The next prime is 985396327. The reversal of 985396311 is 113693589.

985396311 is a `hidden beast` number, since 9 + 8 + 5 + 3 + 9 + 631 + 1 = 666.

It is not a de Polignac number, because 985396311 - 2¹⁰ = 985395287 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (985396301) 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, 54744231 + ... + 54744248.

It is an arithmetic number, because the mean of its divisors is an integer number (237225040).

Almost surely, 2^985396311 is an apocalyptic number.

985396311 is a deficient number, since it is larger than the sum of its proper divisors (437953929).

985396311 is a wasteful number, since it uses less digits than its factorization.

985396311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 109488485 (or 109488482 counting only the distinct ones).

The product of its digits is 174960, while the sum is 45.

The square root of 985396311 is about 31391.0227772209. The cubic root of 985396311 is about 995.1082131071.

The spelling of 985396311 in words is "nine hundred eighty-five million, three hundred ninety-six thousand, three hundred eleven".