328555 has 8 divisors (see below), whose sum is σ = 411552. Its totient is φ = 251328.

The previous prime is 328543. The next prime is 328579. The reversal of 328555 is 555823.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 328555 - 2⁹ = 328043 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1314 + ... + 1543.

It is an arithmetic number, because the mean of its divisors is an integer number (51444).

2³²⁸⁵⁵⁵ is an apocalyptic number.

328555 is a deficient number, since it is larger than the sum of its proper divisors (82997).

328555 is a wasteful number, since it uses less digits than its factorization.

328555 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2885.

The product of its digits is 6000, while the sum is 28.

The square root of 328555 is about 573.1971737544. The cubic root of 328555 is about 69.0032204616.

The spelling of 328555 in words is "three hundred twenty-eight thousand, five hundred fifty-five".