9864880 has 20 divisors (see below), whose sum is σ = 22936032. Its totient is φ = 3945920.

The previous prime is 9864847. The next prime is 9864889. The reversal of 9864880 is 884689.

It is a tau number, because it is divible by the number of its divisors (20).

It is not an unprimeable number, because it can be changed into a prime (9864889) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 61576 + ... + 61735.

Almost surely, 2^9864880 is an apocalyptic number.

It is an amenable number.

9864880 is an abundant number, since it is smaller than the sum of its proper divisors (13071152).

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

9864880 is a wasteful number, since it uses less digits than its factorization.

9864880 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 123324 (or 123318 counting only the distinct ones).

The product of its (nonzero) digits is 110592, while the sum is 43.

The square root of 9864880 is about 3140.8406518001. The cubic root of 9864880 is about 214.4687080228.

The spelling of 9864880 in words is "nine million, eight hundred sixty-four thousand, eight hundred eighty".