328342660 has 12 divisors (see below), whose sum is σ = 689519628. Its totient is φ = 131337056.

The previous prime is 328342649. The next prime is 328342673. The reversal of 328342660 is 66243823.

It can be written as a sum of positive squares in 2 ways, for example, as 127780416 + 200562244 = 11304^2 + 14162^2 .

It is a super-3 number, since 3×328342660³ (a number of 27 digits) contains 333 as substring.

It is an unprimeable number.

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, 8208547 + ... + 8208586.

It is an arithmetic number, because the mean of its divisors is an integer number (57459969).

Almost surely, 2^328342660 is an apocalyptic number.

It is an amenable number.

328342660 is an abundant number, since it is smaller than the sum of its proper divisors (361176968).

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

328342660 is a wasteful number, since it uses less digits than its factorization.

328342660 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16417142 (or 16417140 counting only the distinct ones).

The product of its (nonzero) digits is 41472, while the sum is 34.

The square root of 328342660 is about 18120.2279235113. The cubic root of 328342660 is about 689.8835202106.

The spelling of 328342660 in words is "three hundred twenty-eight million, three hundred forty-two thousand, six hundred sixty".