330439 has 2 divisors, whose sum is σ = 330440. Its totient is φ = 330438.

The previous prime is 330433. The next prime is 330469. The reversal of 330439 is 934033.

It is a weak prime.

It is an emirp because it is prime and its reverse (934033) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 330439 - 2³ = 330431 is a prime.

It is equal to p₂₈₄₄₄ and since 330439 and 28444 have the same sum of digits, it is a Honaker prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (330431) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 165219 + 165220.

It is an arithmetic number, because the mean of its divisors is an integer number (165220).

2³³⁰⁴³⁹ is an apocalyptic number.

330439 is a deficient number, since it is larger than the sum of its proper divisors (1).

330439 is an equidigital number, since it uses as much as digits as its factorization.

330439 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 972, while the sum is 22.

The square root of 330439 is about 574.8382381157. The cubic root of 330439 is about 69.1348619118.

The spelling of 330439 in words is "three hundred thirty thousand, four hundred thirty-nine".