9728852 has 30 divisors (see below), whose sum is σ = 19881498. Its totient is φ = 4165392.

The previous prime is 9728843. The next prime is 9728861. The reversal of 9728852 is 2588279.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (9728843) and next prime (9728861).

It can be written as a sum of positive squares in only one way, i.e., 5080516 + 4648336 = 2254^2 + 2156^2 .

It is a super-2 number, since 2×9728852² = 189301122475808, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 9098 + ... + 10110.

Almost surely, 2^9728852 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 9728852, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9940749).

9728852 is an abundant number, since it is smaller than the sum of its proper divisors (10152646).

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

9728852 is a wasteful number, since it uses less digits than its factorization.

9728852 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1045 (or 1022 counting only the distinct ones).

The product of its digits is 80640, while the sum is 41.

The square root of 9728852 is about 3119.1107707166. The cubic root of 9728852 is about 213.4783638381.

The spelling of 9728852 in words is "nine million, seven hundred twenty-eight thousand, eight hundred fifty-two".