9557940 has 72 divisors (see below), whose sum is σ = 31141152. Its totient is φ = 2184000.

The previous prime is 9557923. The next prime is 9557957. The reversal of 9557940 is 497559.

It is an interprime number because it is at equal distance from previous prime (9557923) and next prime (9557957).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1315 + ... + 4565.

It is an arithmetic number, because the mean of its divisors is an integer number (432516).

Almost surely, 2^9557940 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 9557940, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15570576).

9557940 is an abundant number, since it is smaller than the sum of its proper divisors (21583212).

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

9557940 is a wasteful number, since it uses less digits than its factorization.

9557940 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3277 (or 3268 counting only the distinct ones).

The product of its (nonzero) digits is 56700, while the sum is 39.

The square root of 9557940 is about 3091.5918229935. The cubic root of 9557940 is about 212.2208745817.

The spelling of 9557940 in words is "nine million, five hundred fifty-seven thousand, nine hundred forty".