9658880 has 160 divisors (see below), whose sum is σ = 29462400. Its totient is φ = 3010560.

The previous prime is 9658861. The next prime is 9658889. The reversal of 9658880 is 888569.

It is a tau number, because it is divible by the number of its divisors (160).

It is a Harshad number since it is a multiple of its sum of digits (44).

It is not an unprimeable number, because it can be changed into a prime (9658889) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 878075 + ... + 878085.

It is an arithmetic number, because the mean of its divisors is an integer number (184140).

Almost surely, 2^9658880 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 9658880, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14731200).

9658880 is an abundant number, since it is smaller than the sum of its proper divisors (19803520).

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

9658880 is an equidigital number, since it uses as much as digits as its factorization.

9658880 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55 (or 25 counting only the distinct ones).

The product of its (nonzero) digits is 138240, while the sum is 44.

The square root of 9658880 is about 3107.8738713146. The cubic root of 9658880 is about 212.9653378026.

The spelling of 9658880 in words is "nine million, six hundred fifty-eight thousand, eight hundred eighty".