499439 has 2 divisors, whose sum is σ = 499440. Its totient is φ = 499438.

The previous prime is 499423. The next prime is 499459. The reversal of 499439 is 934994.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 499439 - 2⁴ = 499423 is a prime.

It is a Chen prime.

It is a plaindrome in base 16.

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 499439.

It is not a weakly prime, because it can be changed into another prime (499459) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 249719 + 249720.

It is an arithmetic number, because the mean of its divisors is an integer number (249720).

2⁴⁹⁹⁴³⁹ is an apocalyptic number.

499439 is a deficient number, since it is larger than the sum of its proper divisors (1).

499439 is an equidigital number, since it uses as much as digits as its factorization.

499439 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 34992, while the sum is 38.

The square root of 499439 is about 706.7099829492. The cubic root of 499439 is about 79.3403570898.

The spelling of 499439 in words is "four hundred ninety-nine thousand, four hundred thirty-nine".