9996680 has 64 divisors (see below), whose sum is σ = 24306480. Its totient is φ = 3686400.

The previous prime is 9996673. The next prime is 9996703. The reversal of 9996680 is 866999.

9996680 = T₁₅₉ + T₁₆₀ + ... + T₃₉₉.

It is a happy number.

It can be written as a sum of positive squares in 8 ways, for example, as 4072324 + 5924356 = 2018^2 + 2434^2 .

It is a super-2 number, since 2×9996680² = 199867222044800, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 41360 + ... + 41600.

Almost surely, 2^9996680 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 9996680, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12153240).

9996680 is an abundant number, since it is smaller than the sum of its proper divisors (14309800).

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

9996680 is a wasteful number, since it uses less digits than its factorization.

9996680 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 330 (or 326 counting only the distinct ones).

The product of its (nonzero) digits is 209952, while the sum is 47.

The square root of 9996680 is about 3161.7526784997. The cubic root of 9996680 is about 215.4196239536.

The spelling of 9996680 in words is "nine million, nine hundred ninety-six thousand, six hundred eighty".