9980706 has 16 divisors (see below), whose sum is σ = 20235744. Its totient is φ = 3281184.

The previous prime is 9980699. The next prime is 9980723. The reversal of 9980706 is 6070899.

It is a super-2 number, since 2×9980706² = 199228984516872, which contains 22 as substring.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10956 + ... + 11831.

It is an arithmetic number, because the mean of its divisors is an integer number (1264734).

Almost surely, 2^9980706 is an apocalyptic number.

9980706 is an abundant number, since it is smaller than the sum of its proper divisors (10255038).

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

9980706 is a wasteful number, since it uses less digits than its factorization.

9980706 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22865.

The product of its (nonzero) digits is 27216, while the sum is 39.

The square root of 9980706 is about 3159.2255380077. The cubic root of 9980706 is about 215.3048209194.

The spelling of 9980706 in words is "nine million, nine hundred eighty thousand, seven hundred six".