9800880 has 80 divisors (see below), whose sum is σ = 30768864. Its totient is φ = 2580480.

The previous prime is 9800873. The next prime is 9800881. The reversal of 9800880 is 880089.

It is a tau number, because it is divible by the number of its divisors (80).

It is a hoax number, since the sum of its digits (33) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (9800881) 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, 23070 + ... + 23490.

Almost surely, 2^9800880 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 9800880, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15384432).

9800880 is an abundant number, since it is smaller than the sum of its proper divisors (20967984).

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

9800880 is a wasteful number, since it uses less digits than its factorization.

9800880 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 534 (or 528 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 33.

The square root of 9800880 is about 3130.6357181889. The cubic root of 9800880 is about 214.0039012885.

The spelling of 9800880 in words is "nine million, eight hundred thousand, eight hundred eighty".