9555940 has 12 divisors (see below), whose sum is σ = 20067516. Its totient is φ = 3822368.

The previous prime is 9555929. The next prime is 9555943. The reversal of 9555940 is 495559.

It can be written as a sum of positive squares in 2 ways, for example, as 5531904 + 4024036 = 2352^2 + 2006^2 .

It is an Ulam number.

It is a self number, because there is not a number n which added to its sum of digits gives 9555940.

It is not an unprimeable number, because it can be changed into a prime (9555943) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 238879 + ... + 238918.

It is an arithmetic number, because the mean of its divisors is an integer number (1672293).

Almost surely, 2^9555940 is an apocalyptic number.

It is an amenable number.

9555940 is an abundant number, since it is smaller than the sum of its proper divisors (10511576).

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

9555940 is a wasteful number, since it uses less digits than its factorization.

9555940 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 477806 (or 477804 counting only the distinct ones).

The product of its (nonzero) digits is 40500, while the sum is 37.

The square root of 9555940 is about 3091.2683481057. The cubic root of 9555940 is about 212.2060711353.

The spelling of 9555940 in words is "nine million, five hundred fifty-five thousand, nine hundred forty".