985968844 has 48 divisors (see below), whose sum is σ = 2035934208. Its totient is φ = 409022208.

The previous prime is 985968833. The next prime is 985968847. The reversal of 985968844 is 448869589.

It is a super-2 number, since 2×985968844² = 1944269122677392672, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (985968847) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 132429 + ... + 139675.

It is an arithmetic number, because the mean of its divisors is an integer number (42415296).

Almost surely, 2^985968844 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 985968844, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1017967104).

985968844 is an abundant number, since it is smaller than the sum of its proper divisors (1049965364).

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

985968844 is a wasteful number, since it uses less digits than its factorization.

985968844 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7414 (or 7412 counting only the distinct ones).

The product of its digits is 19906560, while the sum is 61.

The square root of 985968844 is about 31400.1408277097. The cubic root of 985968844 is about 995.3009010569.

The spelling of 985968844 in words is "nine hundred eighty-five million, nine hundred sixty-eight thousand, eight hundred forty-four".