9243009 has 6 divisors (see below), whose sum is σ = 13351026. Its totient is φ = 6162000.

The previous prime is 9243001. The next prime is 9243011. The reversal of 9243009 is 9003429.

It can be written as a sum of positive squares in only one way, i.e., 5130225 + 4112784 = 2265^2 + 2028^2 .

It is not a de Polignac number, because 9243009 - 2³ = 9243001 is a prime.

It is not an unprimeable number, because it can be changed into a prime (9243001) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 513492 + ... + 513509.

It is an arithmetic number, because the mean of its divisors is an integer number (2225171).

Almost surely, 2^9243009 is an apocalyptic number.

It is an amenable number.

9243009 is a deficient number, since it is larger than the sum of its proper divisors (4108017).

9243009 is a wasteful number, since it uses less digits than its factorization.

9243009 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1027007 (or 1027004 counting only the distinct ones).

The product of its (nonzero) digits is 1944, while the sum is 27.

The square root of 9243009 is about 3040.2317345887. The cubic root of 9243009 is about 209.8639254517.

The spelling of 9243009 in words is "nine million, two hundred forty-three thousand, nine".