9087321 has 8 divisors (see below), whose sum is σ = 12131680. Its totient is φ = 6050592.

The previous prime is 9087313. The next prime is 9087343. The reversal of 9087321 is 1237809.

It is a happy number.

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

It is not a de Polignac number, because 9087321 - 2³ = 9087313 is a prime.

It is a Duffinian number.

It is a Curzon number.

9087321 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (9087391) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2046 + ... + 4728.

It is an arithmetic number, because the mean of its divisors is an integer number (1516460).

Almost surely, 2^9087321 is an apocalyptic number.

It is an amenable number.

9087321 is a deficient number, since it is larger than the sum of its proper divisors (3044359).

9087321 is a wasteful number, since it uses less digits than its factorization.

9087321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3815.

The product of its (nonzero) digits is 3024, while the sum is 30.

The square root of 9087321 is about 3014.5183694912. The cubic root of 9087321 is about 208.6789405191.

The spelling of 9087321 in words is "nine million, eighty-seven thousand, three hundred twenty-one".