499891343 has 16 divisors (see below), whose sum is σ = 578808384. Its totient is φ = 422876160.

The previous prime is 499891339. The next prime is 499891363. The reversal of 499891343 is 343198994.

It is not a de Polignac number, because 499891343 - 2² = 499891339 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 499891291 and 499891300.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (499891303) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 312221 + ... + 313817.

It is an arithmetic number, because the mean of its divisors is an integer number (36175524).

Almost surely, 2^499891343 is an apocalyptic number.

499891343 is a deficient number, since it is larger than the sum of its proper divisors (78917041).

499891343 is a wasteful number, since it uses less digits than its factorization.

499891343 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2162.

The product of its digits is 839808, while the sum is 50.

The square root of 499891343 is about 22358.2499986023. The cubic root of 499891343 is about 793.6430277401.

The spelling of 499891343 in words is "four hundred ninety-nine million, eight hundred ninety-one thousand, three hundred forty-three".