330345 has 16 divisors (see below), whose sum is σ = 587520. Its totient is φ = 176112.

The previous prime is 330331. The next prime is 330347. The reversal of 330345 is 543033.

It is a happy number.

It is not a de Polignac number, because 330345 - 2⁴ = 330329 is a prime.

330345 is a lucky number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 330345.

It is not an unprimeable number, because it can be changed into a prime (330347) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1089 + ... + 1358.

It is an arithmetic number, because the mean of its divisors is an integer number (36720).

2³³⁰³⁴⁵ is an apocalyptic number.

It is an amenable number.

330345 is a deficient number, since it is larger than the sum of its proper divisors (257175).

330345 is a wasteful number, since it uses less digits than its factorization.

330345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2461 (or 2455 counting only the distinct ones).

The product of its (nonzero) digits is 540, while the sum is 18.

The square root of 330345 is about 574.7564701680. The cubic root of 330345 is about 69.1283056908.

Adding to 330345 its reverse (543033), we get a palindrome (873378).

The spelling of 330345 in words is "three hundred thirty thousand, three hundred forty-five".