328538227 has 4 divisors (see below), whose sum is σ = 328579560. Its totient is φ = 328496896.

The previous prime is 328538213. The next prime is 328538237. The reversal of 328538227 is 722835823.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 328538227 - 2²³ = 320149619 is a prime.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

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 328538227.

It is not an unprimeable number, because it can be changed into a prime (328538237) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4558 + ... + 26035.

It is an arithmetic number, because the mean of its divisors is an integer number (82144890).

Almost surely, 2^328538227 is an apocalyptic number.

328538227 is a deficient number, since it is larger than the sum of its proper divisors (41333).

328538227 is a wasteful number, since it uses less digits than its factorization.

328538227 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41332.

The product of its digits is 161280, while the sum is 40.

The square root of 328538227 is about 18125.6234927243. The cubic root of 328538227 is about 690.0204621811.

The spelling of 328538227 in words is "three hundred twenty-eight million, five hundred thirty-eight thousand, two hundred twenty-seven".