9999852 has 48 divisors (see below), whose sum is σ = 24998400. Its totient is φ = 3101760.

The previous prime is 9999823. The next prime is 9999863. The reversal of 9999852 is 2589999.

9999852 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a nialpdrome in base 10.

It is a junction number, because it is equal to n+sod(n) for n = 9999795 and 9999804.

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, 13549 + ... + 14267.

It is an arithmetic number, because the mean of its divisors is an integer number (520800).

Almost surely, 2^9999852 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 9999852, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12499200).

9999852 is an abundant number, since it is smaller than the sum of its proper divisors (14998548).

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

9999852 is a wasteful number, since it uses less digits than its factorization.

9999852 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 806 (or 804 counting only the distinct ones).

The product of its digits is 524880, while the sum is 51.

The square root of 9999852 is about 3162.2542592271. The cubic root of 9999852 is about 215.4424061435.

The spelling of 9999852 in words is "nine million, nine hundred ninety-nine thousand, eight hundred fifty-two".