9988648 has 16 divisors (see below), whose sum is σ = 18940500. Its totient is φ = 4937856.

The previous prime is 9988633. The next prime is 9988687. The reversal of 9988648 is 8468899.

It can be written as a sum of positive squares in 2 ways, for example, as 7851204 + 2137444 = 2802^2 + 1462^2 .

It is a junction number, because it is equal to n+sod(n) for n = 9988595 and 9988604.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6303 + ... + 7726.

Almost surely, 2^9988648 is an apocalyptic number.

It is an amenable number.

9988648 is a deficient number, since it is larger than the sum of its proper divisors (8951852).

9988648 is a wasteful number, since it uses less digits than its factorization.

9988648 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14124 (or 14120 counting only the distinct ones).

The product of its digits is 995328, while the sum is 52.

The square root of 9988648 is about 3160.4822416840. The cubic root of 9988648 is about 215.3619143264.

The spelling of 9988648 in words is "nine million, nine hundred eighty-eight thousand, six hundred forty-eight".