499998353 has 4 divisors (see below), whose sum is σ = 513511860. Its totient is φ = 486484848.

The previous prime is 499998307. The next prime is 499998377. The reversal of 499998353 is 353899994.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 460660369 + 39337984 = 21463^2 + 6272^2 .

It is a cyclic number.

It is not a de Polignac number, because 499998353 - 2¹⁶ = 499932817 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 499998292 and 499998301.

It is not an unprimeable number, because it can be changed into a prime (499998253) 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 3 ways as a sum of consecutive naturals, for example, 6756698 + ... + 6756771.

It is an arithmetic number, because the mean of its divisors is an integer number (128377965).

Almost surely, 2^499998353 is an apocalyptic number.

It is an amenable number.

499998353 is a deficient number, since it is larger than the sum of its proper divisors (13513507).

499998353 is a wasteful number, since it uses less digits than its factorization.

499998353 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13513506.

The product of its digits is 9447840, while the sum is 59.

The square root of 499998353 is about 22360.6429469280. The cubic root of 499998353 is about 793.6996545000.

The spelling of 499998353 in words is "four hundred ninety-nine million, nine hundred ninety-eight thousand, three hundred fifty-three".