493909198 has 8 divisors (see below), whose sum is σ = 741672720. Its totient is φ = 246684960.

The previous prime is 493909187. The next prime is 493909219. The reversal of 493909198 is 891909394.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 132523 + ... + 136198.

It is an arithmetic number, because the mean of its divisors is an integer number (92709090).

Almost surely, 2^493909198 is an apocalyptic number.

493909198 is a deficient number, since it is larger than the sum of its proper divisors (247763522).

493909198 is a wasteful number, since it uses less digits than its factorization.

493909198 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 269642.

The product of its (nonzero) digits is 629856, while the sum is 52.

The square root of 493909198 is about 22224.0679894568. The cubic root of 493909198 is about 790.4645017060.

The spelling of 493909198 in words is "four hundred ninety-three million, nine hundred nine thousand, one hundred ninety-eight".