9916814 has 16 divisors (see below), whose sum is σ = 16177968. Its totient is φ = 4540032.

The previous prime is 9916813. The next prime is 9916843. The reversal of 9916814 is 4186199.

It is a happy number.

9916814 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9916813) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2684 + ... + 5199.

It is an arithmetic number, because the mean of its divisors is an integer number (1011123).

Almost surely, 2^9916814 is an apocalyptic number.

9916814 is a deficient number, since it is larger than the sum of its proper divisors (6261154).

9916814 is a wasteful number, since it uses less digits than its factorization.

9916814 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7939.

The product of its digits is 15552, while the sum is 38.

The square root of 9916814 is about 3149.0973309823. The cubic root of 9916814 is about 214.8444087918.

The spelling of 9916814 in words is "nine million, nine hundred sixteen thousand, eight hundred fourteen".