9988703 has 4 divisors (see below), whose sum is σ = 10004928. Its totient is φ = 9972480.

The previous prime is 9988697. The next prime is 9988711. The reversal of 9988703 is 3078899.

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

It is a cyclic number.

It is not a de Polignac number, because 9988703 - 2⁴ = 9988687 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9988733) 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 in 3 ways as a sum of consecutive naturals, for example, 7151 + ... + 8432.

It is an arithmetic number, because the mean of its divisors is an integer number (2501232).

Almost surely, 2^9988703 is an apocalyptic number.

9988703 is a deficient number, since it is larger than the sum of its proper divisors (16225).

9988703 is a wasteful number, since it uses less digits than its factorization.

9988703 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16224.

The product of its (nonzero) digits is 108864, while the sum is 44.

The square root of 9988703 is about 3160.4909428758. The cubic root of 9988703 is about 215.3623096046.

The spelling of 9988703 in words is "nine million, nine hundred eighty-eight thousand, seven hundred three".