328395012 has 96 divisors (see below), whose sum is σ = 918328320. Its totient is φ = 90161280.

The previous prime is 328395007. The next prime is 328395013. The reversal of 328395012 is 210593823.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is not an unprimeable number, because it can be changed into a prime (328395013) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 54838 + ... + 60530.

It is an arithmetic number, because the mean of its divisors is an integer number (9565920).

Almost surely, 2^328395012 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 328395012, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (459164160).

328395012 is an abundant number, since it is smaller than the sum of its proper divisors (589933308).

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

328395012 is a wasteful number, since it uses less digits than its factorization.

328395012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5753 (or 5751 counting only the distinct ones).

The product of its (nonzero) digits is 12960, while the sum is 33.

The square root of 328395012 is about 18121.6724393749. The cubic root of 328395012 is about 689.9201840043.

The spelling of 328395012 in words is "three hundred twenty-eight million, three hundred ninety-five thousand, twelve".