198119471 has 12 divisors (see below), whose sum is σ = 218757336. Its totient is φ = 179290320.

The previous prime is 198119443. The next prime is 198119473. The reversal of 198119471 is 174911891.

It is not a de Polignac number, because 198119471 - 2¹⁰ = 198118447 is a prime.

It is a super-3 number, since 3×198119471³ (a number of 26 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (198119473) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 23861 + ... + 31073.

It is an arithmetic number, because the mean of its divisors is an integer number (18229778).

Almost surely, 2^198119471 is an apocalyptic number.

198119471 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

198119471 is a deficient number, since it is larger than the sum of its proper divisors (20637865).

198119471 is a wasteful number, since it uses less digits than its factorization.

198119471 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7462 (or 7451 counting only the distinct ones).

The product of its digits is 18144, while the sum is 41.

The square root of 198119471 is about 14075.4918564148. The cubic root of 198119471 is about 582.9648726907.

The spelling of 198119471 in words is "one hundred ninety-eight million, one hundred nineteen thousand, four hundred seventy-one".