9993916 has 12 divisors (see below), whose sum is σ = 17524080. Its totient is φ = 4987040.

The previous prime is 9993913. The next prime is 9993917. The reversal of 9993916 is 6193999.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9993911) 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, 81 + ... + 4471.

It is an arithmetic number, because the mean of its divisors is an integer number (1460340).

Almost surely, 2^9993916 is an apocalyptic number.

It is an amenable number.

9993916 is a deficient number, since it is larger than the sum of its proper divisors (7530164).

9993916 is a wasteful number, since it uses less digits than its factorization.

9993916 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4964 (or 4962 counting only the distinct ones).

The product of its digits is 118098, while the sum is 46.

The square root of 9993916 is about 3161.3155489448. The cubic root of 9993916 is about 215.3997682040.

The spelling of 9993916 in words is "nine million, nine hundred ninety-three thousand, nine hundred sixteen".