9857960 has 128 divisors (see below), whose sum is σ = 28512000. Its totient is φ = 2985984.

The previous prime is 9857959. The next prime is 9857963. The reversal of 9857960 is 697589.

9857960 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (9857963) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 90386 + ... + 90494.

It is an arithmetic number, because the mean of its divisors is an integer number (222750).

Almost surely, 2^9857960 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 9857960, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14256000).

9857960 is an abundant number, since it is smaller than the sum of its proper divisors (18654040).

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

9857960 is a wasteful number, since it uses less digits than its factorization.

9857960 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 163 (or 159 counting only the distinct ones).

The product of its (nonzero) digits is 136080, while the sum is 44.

The square root of 9857960 is about 3139.7388426428. The cubic root of 9857960 is about 214.4185479053.

The spelling of 9857960 in words is "nine million, eight hundred fifty-seven thousand, nine hundred sixty".