9988313 has 2 divisors, whose sum is σ = 9988314. Its totient is φ = 9988312.

The previous prime is 9988309. The next prime is 9988331. The reversal of 9988313 is 3138899.

Together with next prime (9988331) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 5442889 + 4545424 = 2333^2 + 2132^2 .

It is an emirp because it is prime and its reverse (3138899) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 9988313 - 2² = 9988309 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (9988373) 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 as a sum of consecutive naturals, namely, 4994156 + 4994157.

It is an arithmetic number, because the mean of its divisors is an integer number (4994157).

Almost surely, 2^9988313 is an apocalyptic number.

It is an amenable number.

9988313 is a deficient number, since it is larger than the sum of its proper divisors (1).

9988313 is an equidigital number, since it uses as much as digits as its factorization.

9988313 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 46656, while the sum is 41.

The square root of 9988313 is about 3160.4292429985. The cubic root of 9988313 is about 215.3595066917.

It can be divided in two parts, 9988 and 313, that added together give a palindrome (10301).

The spelling of 9988313 in words is "nine million, nine hundred eighty-eight thousand, three hundred thirteen".