985841973 has 6 divisors (see below), whose sum is σ = 1423993974. Its totient is φ = 657227976.

The previous prime is 985841971. The next prime is 985841981. The reversal of 985841973 is 379148589.

It can be written as a sum of positive squares in only one way, i.e., 985834404 + 7569 = 31398^2 + 87^2 .

It is not a de Polignac number, because 985841973 - 2¹ = 985841971 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (985841971) 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, 54768990 + ... + 54769007.

It is an arithmetic number, because the mean of its divisors is an integer number (237332329).

Almost surely, 2^985841973 is an apocalyptic number.

It is an amenable number.

985841973 is a deficient number, since it is larger than the sum of its proper divisors (438152001).

985841973 is a wasteful number, since it uses less digits than its factorization.

985841973 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 109538003 (or 109538000 counting only the distinct ones).

The product of its digits is 2177280, while the sum is 54.

The square root of 985841973 is about 31398.1205329236. The cubic root of 985841973 is about 995.2582086202.

The spelling of 985841973 in words is "nine hundred eighty-five million, eight hundred forty-one thousand, nine hundred seventy-three".