328817642 has 16 divisors (see below), whose sum is σ = 501228000. Its totient is φ = 161748048.

The previous prime is 328817641. The next prime is 328817647. The reversal of 328817642 is 246718823.

It is a self number, because there is not a number n which added to its sum of digits gives 328817642.

It is not an unprimeable number, because it can be changed into a prime (328817641) 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, 200048 + ... + 201684.

It is an arithmetic number, because the mean of its divisors is an integer number (31326750).

Almost surely, 2^328817642 is an apocalyptic number.

328817642 is a deficient number, since it is larger than the sum of its proper divisors (172410358).

328817642 is a wasteful number, since it uses less digits than its factorization.

328817642 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3205.

The product of its digits is 129024, while the sum is 41.

The square root of 328817642 is about 18133.3295894604. The cubic root of 328817642 is about 690.2160228185.

The spelling of 328817642 in words is "three hundred twenty-eight million, eight hundred seventeen thousand, six hundred forty-two".