328120575 has 36 divisors (see below), whose sum is σ = 550230408. Its totient is φ = 172536000.

The previous prime is 328120571. The next prime is 328120577. The reversal of 328120575 is 575021823.

It is not a de Polignac number, because 328120575 - 2² = 328120571 is a prime.

It is a super-2 number, since 2×328120575² = 215326223476661250, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (328120571) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 467725 + ... + 468425.

It is an arithmetic number, because the mean of its divisors is an integer number (15284178).

Almost surely, 2^328120575 is an apocalyptic number.

328120575 is a deficient number, since it is larger than the sum of its proper divisors (222109833).

328120575 is an equidigital number, since it uses as much as digits as its factorization.

328120575 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 872 (or 788 counting only the distinct ones).

The product of its (nonzero) digits is 16800, while the sum is 33.

The square root of 328120575 is about 18114.0987907210. The cubic root of 328120575 is about 689.7279435761.

The spelling of 328120575 in words is "three hundred twenty-eight million, one hundred twenty thousand, five hundred seventy-five".