9886828 has 36 divisors (see below), whose sum is σ = 20431992. Its totient is φ = 4173120.

The previous prime is 9886817. The next prime is 9886829. The reversal of 9886828 is 8286889.

It is a Harshad number since it is a multiple of its sum of digits (49).

It is not an unprimeable number, because it can be changed into a prime (9886829) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 13963 + ... + 14653.

Almost surely, 2^9886828 is an apocalyptic number.

9886828 is a gapful number since it is divisible by the number (98) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 9886828, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (10215996).

9886828 is an abundant number, since it is smaller than the sum of its proper divisors (10545164).

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

9886828 is a wasteful number, since it uses less digits than its factorization.

9886828 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 782 (or 773 counting only the distinct ones).

The product of its digits is 442368, while the sum is 49.

The square root of 9886828 is about 3144.3326795999. The cubic root of 9886828 is about 214.6276446609.

The spelling of 9886828 in words is "nine million, eight hundred eighty-six thousand, eight hundred twenty-eight".