9987704 has 64 divisors (see below), whose sum is σ = 21565440. Its totient is φ = 4308480.

The previous prime is 9987671. The next prime is 9987709. The reversal of 9987704 is 4077899.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9987709) 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 15 ways as a sum of consecutive naturals, for example, 96917 + ... + 97019.

It is an arithmetic number, because the mean of its divisors is an integer number (336960).

Almost surely, 2^9987704 is an apocalyptic number.

It is an amenable number.

9987704 is an abundant number, since it is smaller than the sum of its proper divisors (11577736).

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

9987704 is a wasteful number, since it uses less digits than its factorization.

9987704 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 180 (or 176 counting only the distinct ones).

The product of its (nonzero) digits is 127008, while the sum is 44.

The square root of 9987704 is about 3160.3328938579. The cubic root of 9987704 is about 215.3551296895.

The spelling of 9987704 in words is "nine million, nine hundred eighty-seven thousand, seven hundred four".