9557920 has 96 divisors (see below), whose sum is σ = 24385536. Its totient is φ = 3532800.

The previous prime is 9557897. The next prime is 9557923. The reversal of 9557920 is 297559.

It is a self number, because there is not a number n which added to its sum of digits gives 9557920.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9557923) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 203337 + ... + 203383.

It is an arithmetic number, because the mean of its divisors is an integer number (254016).

Almost surely, 2^9557920 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 9557920, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12192768).

9557920 is an abundant number, since it is smaller than the sum of its proper divisors (14827616).

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

9557920 is a wasteful number, since it uses less digits than its factorization.

9557920 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 134 (or 126 counting only the distinct ones).

The product of its (nonzero) digits is 28350, while the sum is 37.

The square root of 9557920 is about 3091.5885884121. The cubic root of 9557920 is about 212.2207265574.

The spelling of 9557920 in words is "nine million, five hundred fifty-seven thousand, nine hundred twenty".