499943 has 2 divisors, whose sum is σ = 499944. Its totient is φ = 499942.

The previous prime is 499927. The next prime is 499957. The reversal of 499943 is 349994.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 499943 - 2⁴ = 499927 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 499897 and 499906.

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 499943.

It is not a weakly prime, because it can be changed into another prime (499903) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 249971 + 249972.

It is an arithmetic number, because the mean of its divisors is an integer number (249972).

2⁴⁹⁹⁹⁴³ is an apocalyptic number.

499943 is a deficient number, since it is larger than the sum of its proper divisors (1).

499943 is an equidigital number, since it uses as much as digits as its factorization.

499943 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 499943 is about 707.0664749513. The cubic root of 499943 is about 79.3670364218.

The spelling of 499943 in words is "four hundred ninety-nine thousand, nine hundred forty-three".