330340 has 24 divisors (see below), whose sum is σ = 705600. Its totient is φ = 129888.

The previous prime is 330331. The next prime is 330347. The reversal of 330340 is 43033.

330340 = T₁₀₈ + T₁₀₉ + ... + T₁₄₇.

It is a self number, because there is not a number n which added to its sum of digits gives 330340.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 330340.

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

330340 is an untouchable number, because it is not equal to the sum of proper divisors of any 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, 1561 + ... + 1759.

It is an arithmetic number, because the mean of its divisors is an integer number (29400).

2³³⁰³⁴⁰ is an apocalyptic number.

It is an amenable number.

330340 is an abundant number, since it is smaller than the sum of its proper divisors (375260).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

330340 is a wasteful number, since it uses less digits than its factorization.

330340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 291 (or 289 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 13.

The square root of 330340 is about 574.7521204833. The cubic root of 330340 is about 69.1279569208.

Adding to 330340 its reverse (43033), we get a palindrome (373373).

The spelling of 330340 in words is "three hundred thirty thousand, three hundred forty".