328439 has 2 divisors, whose sum is σ = 328440. Its totient is φ = 328438.

The previous prime is 328429. The next prime is 328481. The reversal of 328439 is 934823.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-328439 is a prime.

It is a Chen prime.

It is a d-powerful number, because it can be written as 3⁹ + 2¹⁷ + 4² + 8³ + 3¹¹ + 9 .

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (328429) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 164219 + 164220.

It is an arithmetic number, because the mean of its divisors is an integer number (164220).

2³²⁸⁴³⁹ is an apocalyptic number.

328439 is a deficient number, since it is larger than the sum of its proper divisors (1).

328439 is an equidigital number, since it uses as much as digits as its factorization.

328439 is an evil number, because the sum of its binary digits is even.

The product of its digits is 5184, while the sum is 29.

The square root of 328439 is about 573.0959780002. The cubic root of 328439 is about 68.9950987207.

It can be divided in two parts, 328 and 439, that added together give a palindrome (767).

The spelling of 328439 in words is "three hundred twenty-eight thousand, four hundred thirty-nine".