9993880 has 32 divisors (see below), whose sum is σ = 24217200. Its totient is φ = 3689856.

The previous prime is 9993871. The next prime is 9993881. The reversal of 9993880 is 883999.

9993880 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 9993880.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9993881) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9090 + ... + 10129.

Almost surely, 2^9993880 is an apocalyptic number.

It is an amenable number.

9993880 is an abundant number, since it is smaller than the sum of its proper divisors (14223320).

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

9993880 is a wasteful number, since it uses less digits than its factorization.

9993880 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19243 (or 19239 counting only the distinct ones).

The product of its (nonzero) digits is 139968, while the sum is 46.

The square root of 9993880 is about 3161.3098551075. The cubic root of 9993880 is about 215.3995095666.

The spelling of 9993880 in words is "nine million, nine hundred ninety-three thousand, eight hundred eighty".