9955320 has 64 divisors (see below), whose sum is σ = 31173120. Its totient is φ = 2538624.

The previous prime is 9955313. The next prime is 9955349. The reversal of 9955320 is 235599.

It is a nialpdrome in base 10.

It is a congruent number.

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, 957 + ... + 4563.

It is an arithmetic number, because the mean of its divisors is an integer number (487080).

Almost surely, 2^9955320 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 9955320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15586560).

9955320 is an abundant number, since it is smaller than the sum of its proper divisors (21217800).

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

9955320 is a wasteful number, since it uses less digits than its factorization.

9955320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3644 (or 3640 counting only the distinct ones).

The product of its (nonzero) digits is 12150, while the sum is 33.

The square root of 9955320 is about 3155.2052231194. The cubic root of 9955320 is about 215.1221227955.

The spelling of 9955320 in words is "nine million, nine hundred fifty-five thousand, three hundred twenty".