9898880 has 32 divisors (see below), whose sum is σ = 23666040. Its totient is φ = 3959296.

The previous prime is 9898877. The next prime is 9898907. The reversal of 9898880 is 888989.

It is a tau number, because it is divible by the number of its divisors (32).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7094 + ... + 8373.

Almost surely, 2^9898880 is an apocalyptic number.

It is an amenable number.

9898880 is an abundant number, since it is smaller than the sum of its proper divisors (13767160).

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

9898880 is a wasteful number, since it uses less digits than its factorization.

9898880 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15486 (or 15474 counting only the distinct ones).

The product of its (nonzero) digits is 331776, while the sum is 50.

The square root of 9898880 is about 3146.2485597931. The cubic root of 9898880 is about 214.7148193013.

The spelling of 9898880 in words is "nine million, eight hundred ninety-eight thousand, eight hundred eighty".