9888256 has 80 divisors (see below), whose sum is σ = 23569920. Its totient is φ = 4055040.

The previous prime is 9888251. The next prime is 9888269. The reversal of 9888256 is 6528889.

It is a happy number.

It is a Smith number, since the sum of its digits (46) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (9888251) 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, 111060 + ... + 111148.

It is an arithmetic number, because the mean of its divisors is an integer number (294624).

Almost surely, 2^9888256 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 9888256, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (11784960).

9888256 is an abundant number, since it is smaller than the sum of its proper divisors (13681664).

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

9888256 is an equidigital number, since it uses as much as digits as its factorization.

9888256 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 145 (or 129 counting only the distinct ones).

The product of its digits is 276480, while the sum is 46.

The square root of 9888256 is about 3144.5597466100. The cubic root of 9888256 is about 214.6379773824.

The spelling of 9888256 in words is "nine million, eight hundred eighty-eight thousand, two hundred fifty-six".