328518 has 12 divisors (see below), whose sum is σ = 711828. Its totient is φ = 109500.

The previous prime is 328513. The next prime is 328519. The reversal of 328518 is 815823.

It is a happy number.

328518 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 328491 and 328500.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (328511) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 9108 + ... + 9143.

It is an arithmetic number, because the mean of its divisors is an integer number (59319).

328518 is a Friedman number, since it can be written as 8+(8^2+5)^3+1, using all its digits and the basic arithmetic operations.

2³²⁸⁵¹⁸ is an apocalyptic number.

328518 is an abundant number, since it is smaller than the sum of its proper divisors (383310).

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

328518 is a wasteful number, since it uses less digits than its factorization.

328518 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18259 (or 18256 counting only the distinct ones).

The product of its digits is 1920, while the sum is 27.

The square root of 328518 is about 573.1648977389. The cubic root of 328518 is about 69.0006301140. Note that the first 3 decimals are identical.

The spelling of 328518 in words is "three hundred twenty-eight thousand, five hundred eighteen".