499997319 has 16 divisors (see below), whose sum is σ = 707903712. Its totient is φ = 312823808.

The previous prime is 499997291. The next prime is 499997339. The reversal of 499997319 is 913799994.

It is a cyclic number.

It is not a de Polignac number, because 499997319 - 2⁹ = 499996807 is a prime.

It is a super-2 number, since 2×499997319² = 499994638014375522, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (499997339) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4117 + ... + 31889.

It is an arithmetic number, because the mean of its divisors is an integer number (44243982).

Almost surely, 2^499997319 is an apocalyptic number.

499997319 is a deficient number, since it is larger than the sum of its proper divisors (207906393).

499997319 is a wasteful number, since it uses less digits than its factorization.

499997319 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28146.

The product of its digits is 4960116, while the sum is 60.

The square root of 499997319 is about 22360.6198259351. The cubic root of 499997319 is about 793.6991073742.

The spelling of 499997319 in words is "four hundred ninety-nine million, nine hundred ninety-seven thousand, three hundred nineteen".