498684218 has 4 divisors (see below), whose sum is σ = 748026330. Its totient is φ = 249342108.

The previous prime is 498684217. The next prime is 498684227. The reversal of 498684218 is 812486894.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 812486894 = 2 ⋅406243447.

It can be written as a sum of positive squares in only one way, i.e., 464962969 + 33721249 = 21563^2 + 5807^2 .

It is not an unprimeable number, because it can be changed into a prime (498684217) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 124671053 + ... + 124671056.

Almost surely, 2^498684218 is an apocalyptic number.

498684218 is a deficient number, since it is larger than the sum of its proper divisors (249342112).

498684218 is a wasteful number, since it uses less digits than its factorization.

498684218 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 249342111.

The product of its digits is 884736, while the sum is 50.

The square root of 498684218 is about 22331.2386132073. The cubic root of 498684218 is about 793.0036897928.

The spelling of 498684218 in words is "four hundred ninety-eight million, six hundred eighty-four thousand, two hundred eighteen".