491614198 has 8 divisors (see below), whose sum is σ = 744186960. Its totient is φ = 243551880.

The previous prime is 491614187. The next prime is 491614217. The reversal of 491614198 is 891416194.

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, 1127338 + ... + 1127773.

It is an arithmetic number, because the mean of its divisors is an integer number (93023370).

Almost surely, 2^491614198 is an apocalyptic number.

491614198 is a deficient number, since it is larger than the sum of its proper divisors (252572762).

491614198 is a wasteful number, since it uses less digits than its factorization.

491614198 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2255222.

The product of its digits is 62208, while the sum is 43.

The square root of 491614198 is about 22172.3746585701. The cubic root of 491614198 is about 789.2382755492.

The spelling of 491614198 in words is "four hundred ninety-one million, six hundred fourteen thousand, one hundred ninety-eight".