328856530 has 16 divisors (see below), whose sum is σ = 617678784. Its totient is φ = 125823280.

The previous prime is 328856497. The next prime is 328856537. The reversal of 328856530 is 35658823.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (328856537) 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 7 ways as a sum of consecutive naturals, for example, 714676 + ... + 715135.

It is an arithmetic number, because the mean of its divisors is an integer number (38604924).

Almost surely, 2^328856530 is an apocalyptic number.

328856530 is a deficient number, since it is larger than the sum of its proper divisors (288822254).

328856530 is a wasteful number, since it uses less digits than its factorization.

328856530 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1429841.

The product of its (nonzero) digits is 172800, while the sum is 40.

The square root of 328856530 is about 18134.4018373918. The cubic root of 328856530 is about 690.2432314788.

The spelling of 328856530 in words is "three hundred twenty-eight million, eight hundred fifty-six thousand, five hundred thirty".