328118585 has 4 divisors (see below), whose sum is σ = 393742308. Its totient is φ = 262494864.

The previous prime is 328118579. The next prime is 328118587. The reversal of 328118585 is 585811823.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 101525776 + 226592809 = 10076^2 + 15053^2 .

It is a cyclic number.

It is not a de Polignac number, because 328118585 - 2⁴ = 328118569 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (328118587) 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, 32811854 + ... + 32811863.

It is an arithmetic number, because the mean of its divisors is an integer number (98435577).

Almost surely, 2^328118585 is an apocalyptic number.

It is an amenable number.

328118585 is a deficient number, since it is larger than the sum of its proper divisors (65623723).

328118585 is an equidigital number, since it uses as much as digits as its factorization.

328118585 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65623722.

The product of its digits is 76800, while the sum is 41.

The square root of 328118585 is about 18114.0438610488. The cubic root of 328118585 is about 689.7265492092.

The spelling of 328118585 in words is "three hundred twenty-eight million, one hundred eighteen thousand, five hundred eighty-five".