328685241 has 16 divisors (see below), whose sum is σ = 449881344. Its totient is φ = 213354624.

The previous prime is 328685239. The next prime is 328685251. The reversal of 328685241 is 142586823.

It is not a de Polignac number, because 328685241 - 2¹ = 328685239 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 328685241.

It is not an unprimeable number, because it can be changed into a prime (328685221) 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, 21861 + ... + 33693.

It is an arithmetic number, because the mean of its divisors is an integer number (28117584).

Almost surely, 2^328685241 is an apocalyptic number.

It is an amenable number.

328685241 is a deficient number, since it is larger than the sum of its proper divisors (121196103).

328685241 is a wasteful number, since it uses less digits than its factorization.

328685241 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12080.

The product of its digits is 92160, while the sum is 39.

The square root of 328685241 is about 18129.6784582628. The cubic root of 328685241 is about 690.1233700850.

The spelling of 328685241 in words is "three hundred twenty-eight million, six hundred eighty-five thousand, two hundred forty-one".