328473320 has 128 divisors (see below), whose sum is σ = 902223360. Its totient is φ = 105062400.

The previous prime is 328473317. The next prime is 328473347. The reversal of 328473320 is 23374823.

328473320 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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 31 ways as a sum of consecutive naturals, for example, 718532 + ... + 718988.

It is an arithmetic number, because the mean of its divisors is an integer number (7048620).

Almost surely, 2^328473320 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 328473320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (451111680).

328473320 is an abundant number, since it is smaller than the sum of its proper divisors (573750040).

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

328473320 is a wasteful number, since it uses less digits than its factorization.

328473320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 643 (or 639 counting only the distinct ones).

The product of its (nonzero) digits is 24192, while the sum is 32.

The square root of 328473320 is about 18123.8329279433. The cubic root of 328473320 is about 689.9750183492.

The spelling of 328473320 in words is "three hundred twenty-eight million, four hundred seventy-three thousand, three hundred twenty".