328585665 has 8 divisors (see below), whose sum is σ = 525737088. Its totient is φ = 175245680.

The previous prime is 328585651. The next prime is 328585667. The reversal of 328585665 is 566585823.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 328585665 - 2¹¹ = 328583617 is a prime.

It is not an unprimeable number, because it can be changed into a prime (328585667) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10952841 + ... + 10952870.

It is an arithmetic number, because the mean of its divisors is an integer number (65717136).

Almost surely, 2^328585665 is an apocalyptic number.

It is an amenable number.

328585665 is a deficient number, since it is larger than the sum of its proper divisors (197151423).

328585665 is a wasteful number, since it uses less digits than its factorization.

328585665 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21905719.

The product of its digits is 1728000, while the sum is 48.

The square root of 328585665 is about 18126.9320349584. The cubic root of 328585665 is about 690.0536715234.

The spelling of 328585665 in words is "three hundred twenty-eight million, five hundred eighty-five thousand, six hundred sixty-five".