9986533 has 4 divisors (see below), whose sum is σ = 10512160. Its totient is φ = 9460908.

The previous prime is 9986507. The next prime is 9986539. The reversal of 9986533 is 3356899.

9986533 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 9986533 - 2¹³ = 9978341 is a prime.

It is a Duffinian number.

It is a nialpdrome in base 10.

It is a self number, because there is not a number n which added to its sum of digits gives 9986533.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9986539) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 262785 + ... + 262822.

It is an arithmetic number, because the mean of its divisors is an integer number (2628040).

Almost surely, 2^9986533 is an apocalyptic number.

It is an amenable number.

9986533 is a deficient number, since it is larger than the sum of its proper divisors (525627).

9986533 is a wasteful number, since it uses less digits than its factorization.

9986533 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 525626.

The product of its digits is 174960, while the sum is 43.

The square root of 9986533 is about 3160.1476231341. The cubic root of 9986533 is about 215.3467129832.

The spelling of 9986533 in words is "nine million, nine hundred eighty-six thousand, five hundred thirty-three".