9878684 has 12 divisors (see below), whose sum is σ = 18039504. Its totient is φ = 4724544.

The previous prime is 9878657. The next prime is 9878731. The reversal of 9878684 is 4868789.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 53597 + ... + 53780.

It is an arithmetic number, because the mean of its divisors is an integer number (1503292).

Almost surely, 2^9878684 is an apocalyptic number.

It is an amenable number.

9878684 is a deficient number, since it is larger than the sum of its proper divisors (8160820).

9878684 is a wasteful number, since it uses less digits than its factorization.

9878684 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 107404 (or 107402 counting only the distinct ones).

The product of its digits is 774144, while the sum is 50.

The square root of 9878684 is about 3143.0373844420. The cubic root of 9878684 is about 214.5686972852.

The spelling of 9878684 in words is "nine million, eight hundred seventy-eight thousand, six hundred eighty-four".