328719970 has 32 divisors (see below), whose sum is σ = 612550656. Its totient is φ = 126878400.

The previous prime is 328719967. The next prime is 328719971. The reversal of 328719970 is 79917823.

It is a happy number.

328719970 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a Smith number, since the sum of its digits (46) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a self number, because there is not a number n which added to its sum of digits gives 328719970.

It is not an unprimeable number, because it can be changed into a prime (328719971) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 121735 + ... + 124405.

It is an arithmetic number, because the mean of its divisors is an integer number (19142208).

Almost surely, 2^328719970 is an apocalyptic number.

328719970 is a deficient number, since it is larger than the sum of its proper divisors (283830686).

328719970 is a wasteful number, since it uses less digits than its factorization.

328719970 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3106.

The product of its (nonzero) digits is 190512, while the sum is 46.

The square root of 328719970 is about 18130.6362271157. The cubic root of 328719970 is about 690.1476754562.

The spelling of 328719970 in words is "three hundred twenty-eight million, seven hundred nineteen thousand, nine hundred seventy".