328305506 has 8 divisors (see below), whose sum is σ = 494667264. Its totient is φ = 163416420.

The previous prime is 328305463. The next prime is 328305529. The reversal of 328305506 is 605503823.

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 367610 + ... + 368501.

It is an arithmetic number, because the mean of its divisors is an integer number (61833408).

Almost surely, 2^328305506 is an apocalyptic number.

328305506 is a deficient number, since it is larger than the sum of its proper divisors (166361758).

328305506 is a wasteful number, since it uses less digits than its factorization.

328305506 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 736336.

The product of its (nonzero) digits is 21600, while the sum is 32.

The square root of 328305506 is about 18119.2026866526. The cubic root of 328305506 is about 689.8574977019.

The spelling of 328305506 in words is "three hundred twenty-eight million, three hundred five thousand, five hundred six".