328006500 has 192 divisors, whose sum is σ = 1066141440. Its totient is φ = 77875200.

The previous prime is 328006493. The next prime is 328006513. The reversal of 328006500 is 5600823.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 484162 + ... + 484838.

It is an arithmetic number, because the mean of its divisors is an integer number (5552820).

Almost surely, 2^328006500 is an apocalyptic number.

328006500 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 328006500, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (533070720).

328006500 is an abundant number, since it is smaller than the sum of its proper divisors (738134940).

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

328006500 is a wasteful number, since it uses less digits than its factorization.

328006500 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 735 (or 723 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 24.

The square root of 328006500 is about 18110.9497266157. The cubic root of 328006500 is about 689.6480036180.

The spelling of 328006500 in words is "three hundred twenty-eight million, six thousand, five hundred".