9989313 has 16 divisors (see below), whose sum is σ = 13643520. Its totient is φ = 6499584.

The previous prime is 9989293. The next prime is 9989321. The reversal of 9989313 is 3139899.

It is a happy number.

9989313 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 9989313 - 2¹³ = 9981121 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (9989323) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 26595 + ... + 26967.

It is an arithmetic number, because the mean of its divisors is an integer number (852720).

Almost surely, 2^9989313 is an apocalyptic number.

It is an amenable number.

9989313 is a deficient number, since it is larger than the sum of its proper divisors (3654207).

9989313 is a wasteful number, since it uses less digits than its factorization.

9989313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 568.

The product of its digits is 52488, while the sum is 42.

The square root of 9989313 is about 3160.5874453968. The cubic root of 9989313 is about 215.3666935016.

The spelling of 9989313 in words is "nine million, nine hundred eighty-nine thousand, three hundred thirteen".