9986548 has 72 divisors (see below), whose sum is σ = 22135680. Its totient is φ = 3893760.

The previous prime is 9986539. The next prime is 9986563. The reversal of 9986548 is 8456899.

It is a happy number.

It is a super-2 number, since 2×9986548² = 199462281912608, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

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 23 ways as a sum of consecutive naturals, for example, 126373 + ... + 126451.

It is an arithmetic number, because the mean of its divisors is an integer number (307440).

Almost surely, 2^9986548 is an apocalyptic number.

It is an amenable number.

9986548 is an abundant number, since it is smaller than the sum of its proper divisors (12149132).

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

9986548 is a wasteful number, since it uses less digits than its factorization.

9986548 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 137 (or 122 counting only the distinct ones).

The product of its digits is 622080, while the sum is 49.

The square root of 9986548 is about 3160.1499964400. The cubic root of 9986548 is about 215.3468208017.

The spelling of 9986548 in words is "nine million, nine hundred eighty-six thousand, five hundred forty-eight".