9857712 has 40 divisors (see below), whose sum is σ = 26092080. Its totient is φ = 3205120.

The previous prime is 9857693. The next prime is 9857719. The reversal of 9857712 is 2177589.

It is not an unprimeable number, because it can be changed into a prime (9857719) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 537 + ... + 4472.

It is an arithmetic number, because the mean of its divisors is an integer number (652302).

Almost surely, 2^9857712 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 9857712, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13046040).

9857712 is an abundant number, since it is smaller than the sum of its proper divisors (16234368).

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

9857712 is a wasteful number, since it uses less digits than its factorization.

9857712 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5061 (or 5055 counting only the distinct ones).

The product of its digits is 35280, while the sum is 39.

The square root of 9857712 is about 3139.6993486638. The cubic root of 9857712 is about 214.4167498238.

It can be divided in two parts, 98577 and 12, that added together give a palindrome (98589).

The spelling of 9857712 in words is "nine million, eight hundred fifty-seven thousand, seven hundred twelve".