9988608 has 80 divisors (see below), whose sum is σ = 30444480. Its totient is φ = 2850816.

The previous prime is 9988607. The next prime is 9988609. The reversal of 9988608 is 8068899.

It is an interprime number because it is at equal distance from previous prime (9988607) and next prime (9988609).

It is a Smith number, since the sum of its digits (48) coincides with the sum of the digits of its prime factors.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is not an unprimeable number, because it can be changed into a prime (9988607) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10288 + ... + 11216.

It is an arithmetic number, because the mean of its divisors is an integer number (380556).

Almost surely, 2^9988608 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 9988608, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15222240).

9988608 is an abundant number, since it is smaller than the sum of its proper divisors (20455872).

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

9988608 is an equidigital number, since it uses as much as digits as its factorization.

9988608 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 957 (or 941 counting only the distinct ones).

The product of its (nonzero) digits is 248832, while the sum is 48.

The square root of 9988608 is about 3160.4759135295. The cubic root of 9988608 is about 215.3616268505.

The spelling of 9988608 in words is "nine million, nine hundred eighty-eight thousand, six hundred eight".