9880320 has 144 divisors (see below), whose sum is σ = 32965632. Its totient is φ = 2519040.

The previous prime is 9880307. The next prime is 9880327. The reversal of 9880320 is 230889.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9880327) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 118999 + ... + 119081.

It is an arithmetic number, because the mean of its divisors is an integer number (228928).

Almost surely, 2^9880320 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 9880320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16482816).

9880320 is an abundant number, since it is smaller than the sum of its proper divisors (23085312).

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

9880320 is a wasteful number, since it uses less digits than its factorization.

9880320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 138 (or 124 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 30.

The square root of 9880320 is about 3143.2976314692. The cubic root of 9880320 is about 214.5805414746.

The spelling of 9880320 in words is "nine million, eight hundred eighty thousand, three hundred twenty".