328320630 has 96 divisors (see below), whose sum is σ = 971792640. Its totient is φ = 76127040.

The previous prime is 328320623. The next prime is 328320649. The reversal of 328320630 is 36023823.

328320630 is a `hidden beast` number, since 3 + 2 + 8 + 3 + 20 + 630 = 666.

328320630 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 328320594 and 328320603.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 15561 + ... + 29979.

It is an arithmetic number, because the mean of its divisors is an integer number (10122840).

Almost surely, 2^328320630 is an apocalyptic number.

328320630 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 328320630, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (485896320).

328320630 is an abundant number, since it is smaller than the sum of its proper divisors (643472010).

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

328320630 is a wasteful number, since it uses less digits than its factorization.

328320630 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14466 (or 14463 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 27.

The square root of 328320630 is about 18119.6200291286. The cubic root of 328320630 is about 689.8680907262.

The spelling of 328320630 in words is "three hundred twenty-eight million, three hundred twenty thousand, six hundred thirty".