9888564 has 24 divisors (see below), whose sum is σ = 26369728. Its totient is φ = 2825280.

The previous prime is 9888563. The next prime is 9888629. The reversal of 9888564 is 4658889.

9888564 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9888563) 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, 58777 + ... + 58944.

Almost surely, 2^9888564 is an apocalyptic number.

It is an amenable number.

9888564 is an abundant number, since it is smaller than the sum of its proper divisors (16481164).

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

9888564 is a wasteful number, since it uses less digits than its factorization.

9888564 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 117735 (or 117733 counting only the distinct ones).

The product of its digits is 552960, while the sum is 48.

The square root of 9888564 is about 3144.6087196979. The cubic root of 9888564 is about 214.6402058782.

The spelling of 9888564 in words is "nine million, eight hundred eighty-eight thousand, five hundred sixty-four".