9939916 has 12 divisors (see below), whose sum is σ = 19879888. Its totient is φ = 4259952.

The previous prime is 9939913. The next prime is 9939947. The reversal of 9939916 is 6199399.

9939916 is an admirable number.

It is a hoax number, since the sum of its digits (46) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (9939911) 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, 177471 + ... + 177526.

Almost surely, 2^9939916 is an apocalyptic number.

It is an amenable number.

9939916 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

9939916 is a wasteful number, since it uses less digits than its factorization.

9939916 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 355008 (or 355006 counting only the distinct ones).

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

The square root of 9939916 is about 3152.7632324677. The cubic root of 9939916 is about 215.0111117387.

The spelling of 9939916 in words is "nine million, nine hundred thirty-nine thousand, nine hundred sixteen".