328130712 has 192 divisors, whose sum is σ = 1113053760. Its totient is φ = 85017600.

The previous prime is 328130707. The next prime is 328130717. The reversal of 328130712 is 217031823.

It is an interprime number because it is at equal distance from previous prime (328130707) and next prime (328130717).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (328130717) by changing a digit.

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 47 ways as a sum of consecutive naturals, for example, 399262 + ... + 400082.

It is an arithmetic number, because the mean of its divisors is an integer number (5797155).

Almost surely, 2^328130712 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 328130712, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (556526880).

328130712 is an abundant number, since it is smaller than the sum of its proper divisors (784923048).

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

328130712 is a wasteful number, since it uses less digits than its factorization.

328130712 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 914 (or 907 counting only the distinct ones).

The product of its (nonzero) digits is 2016, while the sum is 27.

The square root of 328130712 is about 18114.3785982296. The cubic root of 328130712 is about 689.7350463514.

The spelling of 328130712 in words is "three hundred twenty-eight million, one hundred thirty thousand, seven hundred twelve".