9988093 has 4 divisors (see below), whose sum is σ = 10332540. Its totient is φ = 9643648.

The previous prime is 9988073. The next prime is 9988109. The reversal of 9988093 is 3908899.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3908899 = 41 ⋅95339.

It can be written as a sum of positive squares in 2 ways, for example, as 4848804 + 5139289 = 2202^2 + 2267^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-9988093 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9988063) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 172180 + ... + 172237.

It is an arithmetic number, because the mean of its divisors is an integer number (2583135).

Almost surely, 2^9988093 is an apocalyptic number.

It is an amenable number.

9988093 is a deficient number, since it is larger than the sum of its proper divisors (344447).

9988093 is a wasteful number, since it uses less digits than its factorization.

9988093 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 344446.

The product of its (nonzero) digits is 139968, while the sum is 46.

The square root of 9988093 is about 3160.3944374081. The cubic root of 9988093 is about 215.3579255291.

The spelling of 9988093 in words is "nine million, nine hundred eighty-eight thousand, ninety-three".