328218 has 16 divisors (see below), whose sum is σ = 716256. Its totient is φ = 99440.

The previous prime is 328213. The next prime is 328243. The reversal of 328218 is 812823.

It is a d-powerful number, because it can be written as 3² + 2⁴ + 2¹⁶ + 8³ + 1 + 8⁶ .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (328213) by changing a digit.

328218 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2421 + ... + 2552.

It is an arithmetic number, because the mean of its divisors is an integer number (44766).

2³²⁸²¹⁸ is an apocalyptic number.

328218 is an abundant number, since it is smaller than the sum of its proper divisors (388038).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

328218 is a wasteful number, since it uses less digits than its factorization.

328218 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4989.

The product of its digits is 768, while the sum is 24.

The square root of 328218 is about 572.9031331735. The cubic root of 328218 is about 68.9796201101.

The spelling of 328218 in words is "three hundred twenty-eight thousand, two hundred eighteen".