328056945 has 48 divisors (see below), whose sum is σ = 566196480. Its totient is φ = 162102528.

The previous prime is 328056941. The next prime is 328056947. The reversal of 328056945 is 549650823.

It is not a de Polignac number, because 328056945 - 2² = 328056941 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 328056897 and 328056906.

It is not an unprimeable number, because it can be changed into a prime (328056941) 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 47 ways as a sum of consecutive naturals, for example, 253861 + ... + 255149.

It is an arithmetic number, because the mean of its divisors is an integer number (11795760).

Almost surely, 2^328056945 is an apocalyptic number.

It is an amenable number.

328056945 is a deficient number, since it is larger than the sum of its proper divisors (238139535).

328056945 is a wasteful number, since it uses less digits than its factorization.

328056945 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1382 (or 1363 counting only the distinct ones).

The product of its (nonzero) digits is 259200, while the sum is 42.

The square root of 328056945 is about 18112.3423388583. The cubic root of 328056945 is about 689.6833560783.

The spelling of 328056945 in words is "three hundred twenty-eight million, fifty-six thousand, nine hundred forty-five".