328055816 has 32 divisors (see below), whose sum is σ = 675946080. Its totient is φ = 148022400.

The previous prime is 328055813. The next prime is 328055821. The reversal of 328055816 is 618550823.

It is a super-2 number, since 2×328055816² = 215241236822851712, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 328055816.

It is not an unprimeable number, because it can be changed into a prime (328055813) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1550 + ... + 25661.

It is an arithmetic number, because the mean of its divisors is an integer number (21123315).

Almost surely, 2^328055816 is an apocalyptic number.

It is an amenable number.

328055816 is an abundant number, since it is smaller than the sum of its proper divisors (347890264).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

328055816 is a wasteful number, since it uses less digits than its factorization.

328055816 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27365 (or 27361 counting only the distinct ones).

The product of its (nonzero) digits is 57600, while the sum is 38.

The square root of 328055816 is about 18112.3111722386. The cubic root of 328055816 is about 689.6825649012.

The spelling of 328055816 in words is "three hundred twenty-eight million, fifty-five thousand, eight hundred sixteen".