9557009 has 32 divisors (see below), whose sum is σ = 12960000. Its totient is φ = 6961920.

The previous prime is 9557003. The next prime is 9557017. The reversal of 9557009 is 9007559.

It is not a de Polignac number, because 9557009 - 2⁴ = 9556993 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 9557009.

It is not an unprimeable number, because it can be changed into a prime (9557003) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 64067 + ... + 64215.

It is an arithmetic number, because the mean of its divisors is an integer number (405000).

Almost surely, 2^9557009 is an apocalyptic number.

It is an amenable number.

9557009 is a deficient number, since it is larger than the sum of its proper divisors (3402991).

9557009 is a wasteful number, since it uses less digits than its factorization.

9557009 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 198 (or 184 counting only the distinct ones).

The product of its (nonzero) digits is 14175, while the sum is 35.

The square root of 9557009 is about 3091.4412496439. The cubic root of 9557009 is about 212.2139838343.

The spelling of 9557009 in words is "nine million, five hundred fifty-seven thousand, nine".