9988326 has 16 divisors (see below), whose sum is σ = 22196400. Its totient is φ = 3329424.

The previous prime is 9988313. The next prime is 9988331. The reversal of 9988326 is 6238899.

It is a congruent number.

It is an unprimeable number.

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, 92431 + ... + 92538.

It is an arithmetic number, because the mean of its divisors is an integer number (1387275).

Almost surely, 2^9988326 is an apocalyptic number.

9988326 is an abundant number, since it is smaller than the sum of its proper divisors (12208074).

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

9988326 is a wasteful number, since it uses less digits than its factorization.

9988326 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 184980 (or 184974 counting only the distinct ones).

The product of its digits is 186624, while the sum is 45.

The square root of 9988326 is about 3160.4312996805. The cubic root of 9988326 is about 215.3596001233.

The spelling of 9988326 in words is "nine million, nine hundred eighty-eight thousand, three hundred twenty-six".