328575817 has 4 divisors (see below), whose sum is σ = 329885136. Its totient is φ = 327266500.

The previous prime is 328575811. The next prime is 328575833. The reversal of 328575817 is 718575823.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 328575817 - 2¹¹ = 328573769 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (328575811) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 654283 + ... + 654784.

It is an arithmetic number, because the mean of its divisors is an integer number (82471284).

Almost surely, 2^328575817 is an apocalyptic number.

It is an amenable number.

328575817 is a deficient number, since it is larger than the sum of its proper divisors (1309319).

328575817 is a wasteful number, since it uses less digits than its factorization.

328575817 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1309318.

The product of its digits is 470400, while the sum is 46.

The square root of 328575817 is about 18126.6603929130. The cubic root of 328575817 is about 690.0467776171.

The spelling of 328575817 in words is "three hundred twenty-eight million, five hundred seventy-five thousand, eight hundred seventeen".