499838365 has 16 divisors (see below), whose sum is σ = 663406128. Its totient is φ = 359133696.

The previous prime is 499838299. The next prime is 499838371. The reversal of 499838365 is 563838994.

It can be written as a sum of positive squares in 8 ways, for example, as 2916 + 499835449 = 54^2 + 22357^2 .

It is a cyclic number.

It is not a de Polignac number, because 499838365 - 2⁹ = 499837853 is a prime.

It is a super-2 number, since 2×499838365² = 499676782251746450, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

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, 101512 + ... + 106321.

It is an arithmetic number, because the mean of its divisors is an integer number (41462883).

Almost surely, 2^499838365 is an apocalyptic number.

It is an amenable number.

499838365 is a deficient number, since it is larger than the sum of its proper divisors (163567763).

499838365 is a wasteful number, since it uses less digits than its factorization.

499838365 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 207888.

The product of its digits is 5598720, while the sum is 55.

The square root of 499838365 is about 22357.0652143791. The cubic root of 499838365 is about 793.6149902434.

The spelling of 499838365 in words is "four hundred ninety-nine million, eight hundred thirty-eight thousand, three hundred sixty-five".