9988604 has 24 divisors (see below), whose sum is σ = 18533760. Its totient is φ = 4697136.

The previous prime is 9988579. The next prime is 9988607. The reversal of 9988604 is 4068899.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9988607) 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 7 ways as a sum of consecutive naturals, for example, 12299 + ... + 13085.

It is an arithmetic number, because the mean of its divisors is an integer number (772240).

Almost surely, 2^9988604 is an apocalyptic number.

It is an amenable number.

9988604 is a deficient number, since it is larger than the sum of its proper divisors (8545156).

9988604 is a wasteful number, since it uses less digits than its factorization.

9988604 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 977 (or 975 counting only the distinct ones).

The product of its (nonzero) digits is 124416, while the sum is 44.

The square root of 9988604 is about 3160.4752807133. The cubic root of 9988604 is about 215.3615981029.

The spelling of 9988604 in words is "nine million, nine hundred eighty-eight thousand, six hundred four".