9989318 has 4 divisors (see below), whose sum is σ = 14983980. Its totient is φ = 4994658.

The previous prime is 9989293. The next prime is 9989321. The reversal of 9989318 is 8139899.

It is a semiprime because it is the product of two primes.

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 as a sum of consecutive naturals, namely, 2497328 + ... + 2497331.

It is an arithmetic number, because the mean of its divisors is an integer number (3745995).

Almost surely, 2^9989318 is an apocalyptic number.

9989318 is a deficient number, since it is larger than the sum of its proper divisors (4994662).

9989318 is a wasteful number, since it uses less digits than its factorization.

9989318 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4994661.

The product of its digits is 139968, while the sum is 47.

The square root of 9989318 is about 3160.5882363889. The cubic root of 9989318 is about 215.3667294344.

The spelling of 9989318 in words is "nine million, nine hundred eighty-nine thousand, three hundred eighteen".