9996984 has 48 divisors (see below), whose sum is σ = 27713400. Its totient is φ = 3253824.

The previous prime is 9996979. The next prime is 9996991. The reversal of 9996984 is 4896999.

It is a happy number.

It is a nude number because it is divisible by every one of its digits.

It is a self number, because there is not a number n which added to its sum of digits gives 9996984.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1482 + ... + 4710.

Almost surely, 2^9996984 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 9996984, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13856700).

9996984 is an abundant number, since it is smaller than the sum of its proper divisors (17716416).

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

9996984 is a wasteful number, since it uses less digits than its factorization.

9996984 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3284 (or 3277 counting only the distinct ones).

The product of its digits is 1259712, while the sum is 54.

The square root of 9996984 is about 3161.8007527357. The cubic root of 9996984 is about 215.4218075753.

The spelling of 9996984 in words is "nine million, nine hundred ninety-six thousand, nine hundred eighty-four".