328608 has 72 divisors (see below), whose sum is σ = 1074528. Its totient is φ = 93312.

The previous prime is 328591. The next prime is 328619. The reversal of 328608 is 806823.

It is a tau number, because it is divible by the number of its divisors (72).

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 328608.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1935 + ... + 2097.

It is an arithmetic number, because the mean of its divisors is an integer number (14924).

2³²⁸⁶⁰⁸ is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 328608, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (537264).

328608 is an abundant number, since it is smaller than the sum of its proper divisors (745920).

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

328608 is a wasteful number, since it uses less digits than its factorization.

328608 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 186 (or 175 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 27.

The square root of 328608 is about 573.2434037998. The cubic root of 328608 is about 69.0069306208.

The spelling of 328608 in words is "three hundred twenty-eight thousand, six hundred eight".