9888916 has 24 divisors (see below), whose sum is σ = 17965640. Its totient is φ = 4758912.

The previous prime is 9888889. The next prime is 9888929. The reversal of 9888916 is 6198889.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 1210000 + 8678916 = 1100^2 + 2946^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 9888916.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15826 + ... + 16438.

Almost surely, 2^9888916 is an apocalyptic number.

It is an amenable number.

9888916 is a deficient number, since it is larger than the sum of its proper divisors (8076724).

9888916 is a wasteful number, since it uses less digits than its factorization.

9888916 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 763 (or 761 counting only the distinct ones).

The product of its digits is 248832, while the sum is 49.

The square root of 9888916 is about 3144.6646880073. The cubic root of 9888916 is about 214.6427526739.

The spelling of 9888916 in words is "nine million, eight hundred eighty-eight thousand, nine hundred sixteen".