18060009 has 8 divisors (see below), whose sum is σ = 26269152. Its totient is φ = 10945440.

The previous prime is 18059983. The next prime is 18060017. The reversal of 18060009 is 90006081.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 18060009 - 2⁹ = 18059497 is a prime.

It is not an unprimeable number, because it can be changed into a prime (18060059) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 273604 + ... + 273669.

It is an arithmetic number, because the mean of its divisors is an integer number (3283644).

Almost surely, 2^18060009 is an apocalyptic number.

It is an amenable number.

18060009 is a deficient number, since it is larger than the sum of its proper divisors (8209143).

18060009 is a wasteful number, since it uses less digits than its factorization.

18060009 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 547287.

The product of its (nonzero) digits is 432, while the sum is 24.

The square root of 18060009 is about 4249.7069310718. The cubic root of 18060009 is about 262.3650535409.

The spelling of 18060009 in words is "eighteen million, sixty thousand, nine".