9986736 has 20 divisors (see below), whose sum is σ = 25799192. Its totient is φ = 3328896.

The previous prime is 9986731. The next prime is 9986747. The reversal of 9986736 is 6376899.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (48), and also a Moran number because the ratio is a prime number: 208057 = 9986736 / (9 + 9 + 8 + 6 + 7 + 3 + 6).

It is not an unprimeable number, because it can be changed into a prime (9986731) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 103981 + ... + 104076.

Almost surely, 2^9986736 is an apocalyptic number.

It is an amenable number.

9986736 is an abundant number, since it is smaller than the sum of its proper divisors (15812456).

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

9986736 is a wasteful number, since it uses less digits than its factorization.

9986736 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 208068 (or 208062 counting only the distinct ones).

The product of its digits is 489888, while the sum is 48.

The square root of 9986736 is about 3160.1797417236. The cubic root of 9986736 is about 215.3481721177.

The spelling of 9986736 in words is "nine million, nine hundred eighty-six thousand, seven hundred thirty-six".