9878622 has 32 divisors (see below), whose sum is σ = 21803040. Its totient is φ = 2964480.

The previous prime is 9878611. The next prime is 9878657. The reversal of 9878622 is 2268789.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1654 + ... + 4742.

It is an arithmetic number, because the mean of its divisors is an integer number (681345).

Almost surely, 2^9878622 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 9878622, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (10901520).

9878622 is an abundant number, since it is smaller than the sum of its proper divisors (11924418).

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

9878622 is a wasteful number, since it uses less digits than its factorization.

9878622 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3148.

The product of its digits is 96768, while the sum is 42.

The square root of 9878622 is about 3143.0275213558. The cubic root of 9878622 is about 214.5682483965.

The spelling of 9878622 in words is "nine million, eight hundred seventy-eight thousand, six hundred twenty-two".