9931716 has 18 divisors (see below), whose sum is σ = 25105262. Its totient is φ = 3310560.

The previous prime is 9931709. The next prime is 9931741. The reversal of 9931716 is 6171399.

9931716 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 9922500 + 9216 = 3150^2 + 96^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (36), and also a Moran number because the ratio is a prime number: 275881 = 9931716 / (9 + 9 + 3 + 1 + 7 + 1 + 6).

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 137905 + ... + 137976.

Almost surely, 2^9931716 is an apocalyptic number.

It is an amenable number.

9931716 is an abundant number, since it is smaller than the sum of its proper divisors (15173546).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

9931716 is a wasteful number, since it uses less digits than its factorization.

9931716 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 275891 (or 275886 counting only the distinct ones).

The product of its digits is 10206, while the sum is 36.

The square root of 9931716 is about 3151.4625176257. The cubic root of 9931716 is about 214.9519705225.

The spelling of 9931716 in words is "nine million, nine hundred thirty-one thousand, seven hundred sixteen".