985887172 has 24 divisors (see below), whose sum is σ = 1791659520. Its totient is φ = 474175680.

The previous prime is 985887169. The next prime is 985887173. The reversal of 985887172 is 271788589.

985887172 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (985887173) 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, 3097 + ... + 44512.

It is an arithmetic number, because the mean of its divisors is an integer number (74652480).

Almost surely, 2^985887172 is an apocalyptic number.

It is an amenable number.

985887172 is a deficient number, since it is larger than the sum of its proper divisors (805772348).

985887172 is a wasteful number, since it uses less digits than its factorization.

985887172 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47811 (or 47809 counting only the distinct ones).

The product of its digits is 2257920, while the sum is 55.

The square root of 985887172 is about 31398.8402970556. The cubic root of 985887172 is about 995.2734186267.

The spelling of 985887172 in words is "nine hundred eighty-five million, eight hundred eighty-seven thousand, one hundred seventy-two".