9885888 has 70 divisors (see below), whose sum is σ = 29320236. Its totient is φ = 3293568.

The previous prime is 9885859. The next prime is 9885893. The reversal of 9885888 is 8885889.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is an unprimeable number.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 4231 + ... + 6137.

Almost surely, 2^9885888 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 9885888, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14660118).

9885888 is an abundant number, since it is smaller than the sum of its proper divisors (19434348).

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

9885888 is a wasteful number, since it uses less digits than its factorization.

9885888 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1931 (or 1912 counting only the distinct ones).

The product of its digits is 1474560, while the sum is 54.

The square root of 9885888 is about 3144.1832007693. The cubic root of 9885888 is about 214.6208424664.

Subtracting from 9885888 its reverse (8885889), we obtain a palindrome (999999).

The spelling of 9885888 in words is "nine million, eight hundred eighty-five thousand, eight hundred eighty-eight".