9621960 has 64 divisors (see below), whose sum is σ = 29090880. Its totient is φ = 2545920.

The previous prime is 9621959. The next prime is 9621971. The reversal of 9621960 is 691269.

It is a happy number.

It is a super-2 number, since 2×9621960² = 185164228483200, which contains 22 as substring.

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, 21499 + ... + 21941.

It is an arithmetic number, because the mean of its divisors is an integer number (454545).

Almost surely, 2^9621960 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 9621960, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14545440).

9621960 is an abundant number, since it is smaller than the sum of its proper divisors (19468920).

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

9621960 is a wasteful number, since it uses less digits than its factorization.

9621960 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 638 (or 634 counting only the distinct ones).

The product of its (nonzero) digits is 5832, while the sum is 33.

The square root of 9621960 is about 3101.9284324433. The cubic root of 9621960 is about 212.6936458579.

The spelling of 9621960 in words is "nine million, six hundred twenty-one thousand, nine hundred sixty".