327622321 has 8 divisors (see below), whose sum is σ = 357658280. Its totient is φ = 298276992.

The previous prime is 327622313. The next prime is 327622333. The reversal of 327622321 is 123226723.

It can be written as a sum of positive squares in 4 ways, for example, as 49900096 + 277722225 = 7064^2 + 16665^2 .

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

It is not a de Polignac number, because 327622321 - 2³ = 327622313 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 327622321.

It is not an unprimeable number, because it can be changed into a prime (327622121) 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, 171666 + ... + 173563.

It is an arithmetic number, because the mean of its divisors is an integer number (44707285).

Almost surely, 2^327622321 is an apocalyptic number.

It is an amenable number.

327622321 is a deficient number, since it is larger than the sum of its proper divisors (30035959).

327622321 is a wasteful number, since it uses less digits than its factorization.

327622321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 345315.

The product of its digits is 6048, while the sum is 28.

The square root of 327622321 is about 18100.3403559160. The cubic root of 327622321 is about 689.3786473823.

The spelling of 327622321 in words is "three hundred twenty-seven million, six hundred twenty-two thousand, three hundred twenty-one".