9935980 has 48 divisors (see below), whose sum is σ = 22216320. Its totient is φ = 3725568.

The previous prime is 9935969. The next prime is 9935987. The reversal of 9935980 is 895399.

It is a Smith number, since the sum of its digits (43) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (9935987) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 21229 + ... + 21691.

It is an arithmetic number, because the mean of its divisors is an integer number (462840).

Almost surely, 2^9935980 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 9935980, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (11108160).

9935980 is an abundant number, since it is smaller than the sum of its proper divisors (12280340).

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

9935980 is a wasteful number, since it uses less digits than its factorization.

9935980 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 538 (or 536 counting only the distinct ones).

The product of its (nonzero) digits is 87480, while the sum is 43.

The square root of 9935980 is about 3152.1389563279. The cubic root of 9935980 is about 214.9827280158.

The spelling of 9935980 in words is "nine million, nine hundred thirty-five thousand, nine hundred eighty".