9955960 has 96 divisors (see below), whose sum is σ = 27168480. Its totient is φ = 3214080.

The previous prime is 9955949. The next prime is 9956003. The reversal of 9955960 is 695599.

It is a happy number.

It is a super-2 number, since 2×9955960² = 198242279043200, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 269062 + ... + 269098.

It is an arithmetic number, because the mean of its divisors is an integer number (283005).

Almost surely, 2^9955960 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 9955960, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13584240).

9955960 is an abundant number, since it is smaller than the sum of its proper divisors (17212520).

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

9955960 is a wasteful number, since it uses less digits than its factorization.

9955960 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 117 (or 82 counting only the distinct ones).

The product of its (nonzero) digits is 109350, while the sum is 43.

The square root of 9955960 is about 3155.3066411999. The cubic root of 9955960 is about 215.1267325655.

The spelling of 9955960 in words is "nine million, nine hundred fifty-five thousand, nine hundred sixty".