9887716 has 12 divisors (see below), whose sum is σ = 17333932. Its totient is φ = 4935168.

The previous prime is 9887711. The next prime is 9887741. The reversal of 9887716 is 6177889.

It can be written as a sum of positive squares in 2 ways, for example, as 1742400 + 8145316 = 1320^2 + 2854^2 .

It is an Ulam number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9887711) 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, 856 + ... + 4528.

Almost surely, 2^9887716 is an apocalyptic number.

It is an amenable number.

9887716 is a deficient number, since it is larger than the sum of its proper divisors (7446216).

9887716 is a wasteful number, since it uses less digits than its factorization.

9887716 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4350 (or 4348 counting only the distinct ones).

The product of its digits is 169344, while the sum is 46.

The square root of 9887716 is about 3144.4738828618. The cubic root of 9887716 is about 214.6340701677.

The spelling of 9887716 in words is "nine million, eight hundred eighty-seven thousand, seven hundred sixteen".