9988056 has 64 divisors (see below), whose sum is σ = 29887200. Its totient is φ = 3072384.

The previous prime is 9988007. The next prime is 9988057. The reversal of 9988056 is 6508899.

9988056 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×9988056² = 199522525318272, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9988057) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1030 + ... + 4586.

Almost surely, 2^9988056 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 9988056, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14943600).

9988056 is an abundant number, since it is smaller than the sum of its proper divisors (19899144).

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

9988056 is a wasteful number, since it uses less digits than its factorization.

9988056 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3585 (or 3575 counting only the distinct ones).

The product of its (nonzero) digits is 155520, while the sum is 45.

The square root of 9988056 is about 3160.3885837030. The cubic root of 9988056 is about 215.3576596041.

The spelling of 9988056 in words is "nine million, nine hundred eighty-eight thousand, fifty-six".