9609880 has 48 divisors (see below), whose sum is σ = 25157520. Its totient is φ = 3294144.

The previous prime is 9609871. The next prime is 9609881. The reversal of 9609880 is 889069.

It is a happy number.

It is a super-2 number, since 2×9609880² = 184699587228800, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (40).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9609881) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 492 + ... + 4411.

It is an arithmetic number, because the mean of its divisors is an integer number (524115).

Almost surely, 2^9609880 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 9609880, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12578760).

9609880 is an abundant number, since it is smaller than the sum of its proper divisors (15547640).

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

9609880 is a wasteful number, since it uses less digits than its factorization.

9609880 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4928 (or 4917 counting only the distinct ones).

The product of its (nonzero) digits is 31104, while the sum is 40.

The square root of 9609880 is about 3099.9806451009. The cubic root of 9609880 is about 212.6045990237.

The spelling of 9609880 in words is "nine million, six hundred nine thousand, eight hundred eighty".