9878922 has 24 divisors (see below), whose sum is σ = 22198176. Its totient is φ = 3292812.

The previous prime is 9878903. The next prime is 9878923. The reversal of 9878922 is 2298789.

It is not an unprimeable number, because it can be changed into a prime (9878923) 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 11 ways as a sum of consecutive naturals, for example, 9678 + ... + 10649.

It is an arithmetic number, because the mean of its divisors is an integer number (924924).

Almost surely, 2^9878922 is an apocalyptic number.

9878922 is an abundant number, since it is smaller than the sum of its proper divisors (12319254).

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

9878922 is a wasteful number, since it uses less digits than its factorization.

9878922 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20344 (or 20332 counting only the distinct ones).

The product of its digits is 145152, while the sum is 45.

The square root of 9878922 is about 3143.0752456790. The cubic root of 9878922 is about 214.5704204209.

The spelling of 9878922 in words is "nine million, eight hundred seventy-eight thousand, nine hundred twenty-two".