9980672 has 36 divisors (see below), whose sum is σ = 21462000. Its totient is φ = 4604928.

The previous prime is 9980629. The next prime is 9980693. The reversal of 9980672 is 2760899.

It is a super-2 number, since 2×9980672² = 199227627143168, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1829 + ... + 4827.

Almost surely, 2^9980672 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 9980672, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (10731000).

9980672 is an abundant number, since it is smaller than the sum of its proper divisors (11481328).

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

9980672 is a wasteful number, since it uses less digits than its factorization.

9980672 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3028 (or 3014 counting only the distinct ones).

The product of its (nonzero) digits is 54432, while the sum is 41.

The square root of 9980672 is about 3159.2201569375. The cubic root of 9980672 is about 215.3045764352.

The spelling of 9980672 in words is "nine million, nine hundred eighty thousand, six hundred seventy-two".