494218198 has 8 divisors (see below), whose sum is σ = 746986680. Its totient is φ = 245222640.

The previous prime is 494218189. The next prime is 494218199. The reversal of 494218198 is 891812494.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (494218199) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 942903 + ... + 943426.

It is an arithmetic number, because the mean of its divisors is an integer number (93373335).

Almost surely, 2^494218198 is an apocalyptic number.

494218198 is a deficient number, since it is larger than the sum of its proper divisors (252768482).

494218198 is a wasteful number, since it uses less digits than its factorization.

494218198 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1886462.

The product of its digits is 165888, while the sum is 46.

The square root of 494218198 is about 22231.0188250561. The cubic root of 494218198 is about 790.6293110900.

The spelling of 494218198 in words is "four hundred ninety-four million, two hundred eighteen thousand, one hundred ninety-eight".