328563819 has 12 divisors (see below), whose sum is σ = 474869200. Its totient is φ = 218914704.

The previous prime is 328563787. The next prime is 328563839. The reversal of 328563819 is 918365823.

It is a happy number.

328563819 is a `hidden beast` number, since 3 + 2 + 8 + 5 + 638 + 1 + 9 = 666.

It is not a de Polignac number, because 328563819 - 2⁵ = 328563787 is a prime.

It is a super-2 number, since 2×328563819² = 215908366311729522, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (328563839) 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 11 ways as a sum of consecutive naturals, for example, 7197 + ... + 26625.

Almost surely, 2^328563819 is an apocalyptic number.

328563819 is a deficient number, since it is larger than the sum of its proper divisors (146305381).

328563819 is a wasteful number, since it uses less digits than its factorization.

328563819 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21314 (or 21311 counting only the distinct ones).

The product of its digits is 311040, while the sum is 45.

The square root of 328563819 is about 18126.3294408989. The cubic root of 328563819 is about 690.0383784576.

The spelling of 328563819 in words is "three hundred twenty-eight million, five hundred sixty-three thousand, eight hundred nineteen".