328605 has 16 divisors (see below), whose sum is σ = 553920. Its totient is φ = 165888.

The previous prime is 328591. The next prime is 328619. The reversal of 328605 is 506823.

328605 is digitally balanced in base 7, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (328591) and next prime (328619).

It is not a de Polignac number, because 328605 - 2⁴ = 328589 is a prime.

328605 is strictly pandigital in base 7.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 292 + ... + 861.

It is an arithmetic number, because the mean of its divisors is an integer number (34620).

2³²⁸⁶⁰⁵ is an apocalyptic number.

It is an amenable number.

328605 is a deficient number, since it is larger than the sum of its proper divisors (225315).

328605 is a wasteful number, since it uses less digits than its factorization.

328605 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1180.

The product of its (nonzero) digits is 1440, while the sum is 24.

The square root of 328605 is about 573.2407871043. The cubic root of 328605 is about 69.0067206224.

The spelling of 328605 in words is "three hundred twenty-eight thousand, six hundred five".