328817655 has 24 divisors (see below), whose sum is σ = 603478512. Its totient is φ = 165053184.

The previous prime is 328817653. The next prime is 328817659. The reversal of 328817655 is 556718823.

It is not a de Polignac number, because 328817655 - 2¹ = 328817653 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 328817655.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (328817653) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 214149 + ... + 215678.

It is an arithmetic number, because the mean of its divisors is an integer number (25144938).

Almost surely, 2^328817655 is an apocalyptic number.

328817655 is a deficient number, since it is larger than the sum of its proper divisors (274660857).

328817655 is a wasteful number, since it uses less digits than its factorization.

328817655 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 429855 (or 429852 counting only the distinct ones).

The product of its digits is 403200, while the sum is 45.

The square root of 328817655 is about 18133.3299479164. The cubic root of 328817655 is about 690.2160319145.

The spelling of 328817655 in words is "three hundred twenty-eight million, eight hundred seventeen thousand, six hundred fifty-five".