328181828 has 12 divisors (see below), whose sum is σ = 618496620. Its totient is φ = 151468512.

The previous prime is 328181783. The next prime is 328181831. The reversal of 328181828 is 828181823.

It can be written as a sum of positive squares in 2 ways, for example, as 92313664 + 235868164 = 9608^2 + 15358^2 .

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 3155543 + ... + 3155646.

It is an arithmetic number, because the mean of its divisors is an integer number (51541385).

Almost surely, 2^328181828 is an apocalyptic number.

It is an amenable number.

328181828 is a deficient number, since it is larger than the sum of its proper divisors (290314792).

328181828 is a wasteful number, since it uses less digits than its factorization.

328181828 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6311206 (or 6311204 counting only the distinct ones).

The product of its digits is 49152, while the sum is 41.

The square root of 328181828 is about 18115.7894666504. The cubic root of 328181828 is about 689.7708599919.

The spelling of 328181828 in words is "three hundred twenty-eight million, one hundred eighty-one thousand, eight hundred twenty-eight".