9988733 has 2 divisors, whose sum is σ = 9988734. Its totient is φ = 9988732.

The previous prime is 9988721. The next prime is 9988747. The reversal of 9988733 is 3378899.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 8543929 + 1444804 = 2923^2 + 1202^2 .

It is a cyclic number.

It is not a de Polignac number, because 9988733 - 2¹⁰ = 9987709 is a prime.

It is a Chen prime.

It is a nialpdrome in base 10.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (9988753) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4994366 + 4994367.

It is an arithmetic number, because the mean of its divisors is an integer number (4994367).

Almost surely, 2^9988733 is an apocalyptic number.

It is an amenable number.

9988733 is a deficient number, since it is larger than the sum of its proper divisors (1).

9988733 is an equidigital number, since it uses as much as digits as its factorization.

9988733 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 326592, while the sum is 47.

The square root of 9988733 is about 3160.4956889703. The cubic root of 9988733 is about 215.3625252103.

The spelling of 9988733 in words is "nine million, nine hundred eighty-eight thousand, seven hundred thirty-three".