9771960 has 96 divisors (see below), whose sum is σ = 32271120. Its totient is φ = 2365440.

The previous prime is 9771953. The next prime is 9771961. The reversal of 9771960 is 691779.

9771960 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9771961) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 14184 + ... + 14856.

Almost surely, 2^9771960 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 9771960, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16135560).

9771960 is an abundant number, since it is smaller than the sum of its proper divisors (22499160).

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

9771960 is a wasteful number, since it uses less digits than its factorization.

9771960 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 709 (or 694 counting only the distinct ones).

The product of its (nonzero) digits is 23814, while the sum is 39.

The square root of 9771960 is about 3126.0134356717. The cubic root of 9771960 is about 213.7932028538.

It can be divided in two parts, 97719 and 60, that added together give a palindrome (97779).

The spelling of 9771960 in words is "nine million, seven hundred seventy-one thousand, nine hundred sixty".