439459 has 2 divisors, whose sum is σ = 439460. Its totient is φ = 439458.

The previous prime is 439441. The next prime is 439463. The reversal of 439459 is 954934.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 439459 - 2⁵ = 439427 is a prime.

It is not a weakly prime, because it can be changed into another prime (439409) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 219729 + 219730.

It is an arithmetic number, because the mean of its divisors is an integer number (219730).

2⁴³⁹⁴⁵⁹ is an apocalyptic number.

439459 is a deficient number, since it is larger than the sum of its proper divisors (1).

439459 is an equidigital number, since it uses as much as digits as its factorization.

439459 is an evil number, because the sum of its binary digits is even.

The product of its digits is 19440, while the sum is 34.

The square root of 439459 is about 662.9170385501. The cubic root of 439459 is about 76.0278637443.

It can be divided in two parts, 439 and 459, that added together give a palindrome (898).

The spelling of 439459 in words is "four hundred thirty-nine thousand, four hundred fifty-nine".