9987703 has 12 divisors (see below), whose sum is σ = 11060280. Its totient is φ = 9012080.

The previous prime is 9987671. The next prime is 9987709. The reversal of 9987703 is 3077899.

It is not a de Polignac number, because 9987703 - 2⁵ = 9987671 is a prime.

It is a super-2 number, since 2×9987703² = 199508422432418, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 9987703.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9987709) 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 11 ways as a sum of consecutive naturals, for example, 23628 + ... + 24046.

It is an arithmetic number, because the mean of its divisors is an integer number (921690).

Almost surely, 2^9987703 is an apocalyptic number.

9987703 is a deficient number, since it is larger than the sum of its proper divisors (1072577).

9987703 is a wasteful number, since it uses less digits than its factorization.

9987703 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 638 (or 627 counting only the distinct ones).

The product of its (nonzero) digits is 95256, while the sum is 43.

The square root of 9987703 is about 3160.3327356467. The cubic root of 9987703 is about 215.3551225021.

The spelling of 9987703 in words is "nine million, nine hundred eighty-seven thousand, seven hundred three".