9988332 has 12 divisors (see below), whose sum is σ = 23306136. Its totient is φ = 3329440.

The previous prime is 9988331. The next prime is 9988339. The reversal of 9988332 is 2338899.

It is a tau number, because it is divible by the number of its divisors (12).

It is a super-2 number, since 2×9988332² = 199533552284448, which contains 22 as substring.

It is an Ulam number.

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 3 ways as a sum of consecutive naturals, for example, 416169 + ... + 416192.

It is an arithmetic number, because the mean of its divisors is an integer number (1942178).

Almost surely, 2^9988332 is an apocalyptic number.

It is an amenable number.

9988332 is an abundant number, since it is smaller than the sum of its proper divisors (13317804).

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

9988332 is a wasteful number, since it uses less digits than its factorization.

9988332 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 832368 (or 832366 counting only the distinct ones).

The product of its digits is 93312, while the sum is 42.

The square root of 9988332 is about 3160.4322489179. The cubic root of 9988332 is about 215.3596432456.

It can be divided in two parts, 9 and 988332, that multiplied together give a palindrome (8894988).

The spelling of 9988332 in words is "nine million, nine hundred eighty-eight thousand, three hundred thirty-two".