9988330 has 16 divisors (see below), whose sum is σ = 19613664. Its totient is φ = 3632080.

The previous prime is 9988313. The next prime is 9988331. The reversal of 9988330 is 338899.

It is a nialpdrome in base 10.

It is not an unprimeable number, because it can be changed into a prime (9988331) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 45292 + ... + 45511.

It is an arithmetic number, because the mean of its divisors is an integer number (1225854).

Almost surely, 2^9988330 is an apocalyptic number.

9988330 is a deficient number, since it is larger than the sum of its proper divisors (9625334).

9988330 is a wasteful number, since it uses less digits than its factorization.

9988330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 90821.

The product of its (nonzero) digits is 46656, while the sum is 40.

The square root of 9988330 is about 3160.4319325054. The cubic root of 9988330 is about 215.3596288715.

The spelling of 9988330 in words is "nine million, nine hundred eighty-eight thousand, three hundred thirty".