330005 has 8 divisors (see below), whose sum is σ = 426552. Its totient is φ = 243648.

The previous prime is 329999. The next prime is 330017. The reversal of 330005 is 500033.

It can be written as a sum of positive squares in 4 ways, for example, as 58564 + 271441 = 242^2 + 521^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 330005 - 2⁶ = 329941 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2474 + ... + 2603.

It is an arithmetic number, because the mean of its divisors is an integer number (53319).

2³³⁰⁰⁰⁵ is an apocalyptic number.

It is an amenable number.

330005 is a deficient number, since it is larger than the sum of its proper divisors (96547).

330005 is a wasteful number, since it uses less digits than its factorization.

330005 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5095.

The product of its (nonzero) digits is 45, while the sum is 11.

The square root of 330005 is about 574.4606165787. The cubic root of 330005 is about 69.1045813096.

Adding to 330005 its reverse (500033), we get a palindrome (830038).

The spelling of 330005 in words is "three hundred thirty thousand, five".