9986616 has 96 divisors (see below), whose sum is σ = 29484000. Its totient is φ = 3041280.

The previous prime is 9986611. The next prime is 9986651. The reversal of 9986616 is 6166899.

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9986611) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 50085 + ... + 50283.

It is an arithmetic number, because the mean of its divisors is an integer number (307125).

Almost surely, 2^9986616 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 9986616, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14742000).

9986616 is an abundant number, since it is smaller than the sum of its proper divisors (19497384).

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

9986616 is a wasteful number, since it uses less digits than its factorization.

9986616 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 269 (or 262 counting only the distinct ones).

The product of its digits is 139968, while the sum is 45.

The square root of 9986616 is about 3160.1607554047. The cubic root of 9986616 is about 215.3473095775.

The spelling of 9986616 in words is "nine million, nine hundred eighty-six thousand, six hundred sixteen".