9000321 has 8 divisors (see below), whose sum is σ = 13091424. Its totient is φ = 5454720.

The previous prime is 9000317. The next prime is 9000331. The reversal of 9000321 is 1230009.

9000321 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 9000321 - 2² = 9000317 is a prime.

It is an Ulam number.

It is a Curzon number.

9000321 is a lucky number.

It is a self number, because there is not a number n which added to its sum of digits gives 9000321.

It is not an unprimeable number, because it can be changed into a prime (9000331) 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, 136336 + ... + 136401.

It is an arithmetic number, because the mean of its divisors is an integer number (1636428).

Almost surely, 2^9000321 is an apocalyptic number.

It is an amenable number.

9000321 is a deficient number, since it is larger than the sum of its proper divisors (4091103).

9000321 is a wasteful number, since it uses less digits than its factorization.

9000321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 272751.

The product of its (nonzero) digits is 54, while the sum is 15.

The square root of 9000321 is about 3000.0534995230. The cubic root of 9000321 is about 208.0108552643.

The spelling of 9000321 in words is "nine million, three hundred twenty-one", and thus it is an aban number.