328058881 has 4 divisors (see below), whose sum is σ = 328484052. Its totient is φ = 327633712.

The previous prime is 328058873. The next prime is 328058963. The reversal of 328058881 is 188850823.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 92160000 + 235898881 = 9600^2 + 15359^2 .

It is a cyclic number.

It is not a de Polignac number, because 328058881 - 2³ = 328058873 is a prime.

It is a super-2 number, since 2×328058881² = 215245258805944322, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (328058831) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 211426 + ... + 212971.

It is an arithmetic number, because the mean of its divisors is an integer number (82121013).

Almost surely, 2^328058881 is an apocalyptic number.

It is an amenable number.

328058881 is a deficient number, since it is larger than the sum of its proper divisors (425171).

328058881 is an equidigital number, since it uses as much as digits as its factorization.

328058881 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 425170.

The product of its (nonzero) digits is 122880, while the sum is 43.

The square root of 328058881 is about 18112.3957829990. The cubic root of 328058881 is about 689.6847127780.

The spelling of 328058881 in words is "three hundred twenty-eight million, fifty-eight thousand, eight hundred eighty-one".