9987448 has 16 divisors (see below), whose sum is σ = 18782280. Its totient is φ = 4978848.

The previous prime is 9987443. The next prime is 9987457. The reversal of 9987448 is 8447899.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9987443) 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, 1311 + ... + 4657.

Almost surely, 2^9987448 is an apocalyptic number.

It is an amenable number.

9987448 is a deficient number, since it is larger than the sum of its proper divisors (8794832).

9987448 is a wasteful number, since it uses less digits than its factorization.

9987448 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3726 (or 3722 counting only the distinct ones).

The product of its digits is 580608, while the sum is 49.

The square root of 9987448 is about 3160.2923915359. The cubic root of 9987448 is about 215.3532897142.

The spelling of 9987448 in words is "nine million, nine hundred eighty-seven thousand, four hundred forty-eight".