9978852 has 48 divisors (see below), whose sum is σ = 25627392. Its totient is φ = 3002880.

The previous prime is 9978833. The next prime is 9978877. The reversal of 9978852 is 2588799.

It is a happy number.

It is a d-powerful number, because it can be written as 9 + 9 + 7⁸ + 8 + 8⁴ + 5⁶ + 2²² .

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, 6652 + ... + 8012.

It is an arithmetic number, because the mean of its divisors is an integer number (533904).

Almost surely, 2^9978852 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 9978852, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12813696).

9978852 is an abundant number, since it is smaller than the sum of its proper divisors (15648540).

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

9978852 is a wasteful number, since it uses less digits than its factorization.

9978852 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1428 (or 1426 counting only the distinct ones).

The product of its digits is 362880, while the sum is 48.

The square root of 9978852 is about 3158.9320980357. The cubic root of 9978852 is about 215.2914885339.

The spelling of 9978852 in words is "nine million, nine hundred seventy-eight thousand, eight hundred fifty-two".