498768217 has 4 divisors (see below), whose sum is σ = 498818356. Its totient is φ = 498718080.

The previous prime is 498768209. The next prime is 498768229. The reversal of 498768217 is 712867894.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 423495241 + 75272976 = 20579^2 + 8676^2 .

It is a cyclic number.

It is not a de Polignac number, because 498768217 - 2³ = 498768209 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (498768817) 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, 4548 + ... + 31909.

It is an arithmetic number, because the mean of its divisors is an integer number (124704589).

Almost surely, 2^498768217 is an apocalyptic number.

It is an amenable number.

498768217 is a deficient number, since it is larger than the sum of its proper divisors (50139).

498768217 is a wasteful number, since it uses less digits than its factorization.

498768217 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50138.

The product of its digits is 1354752, while the sum is 52.

The square root of 498768217 is about 22333.1192850439. The cubic root of 498768217 is about 793.0482121411.

The spelling of 498768217 in words is "four hundred ninety-eight million, seven hundred sixty-eight thousand, two hundred seventeen".