328606256 has 40 divisors (see below), whose sum is σ = 701336064. Its totient is φ = 147908160.

The previous prime is 328606249. The next prime is 328606259. The reversal of 328606256 is 652606823.

It is not an unprimeable number, because it can be changed into a prime (328606259) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9065 + ... + 27191.

Almost surely, 2^328606256 is an apocalyptic number.

It is a pronic number, being equal to 18127×18128.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 328606256, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (350668032).

328606256 is an abundant number, since it is smaller than the sum of its proper divisors (372729808).

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

328606256 is a wasteful number, since it uses less digits than its factorization.

328606256 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18249 (or 18243 counting only the distinct ones).

The product of its (nonzero) digits is 103680, while the sum is 38.

The square root of 328606256 is about 18127.4999931044. The cubic root of 328606256 is about 690.0680854190.

The spelling of 328606256 in words is "three hundred twenty-eight million, six hundred six thousand, two hundred fifty-six".