198368471 has 8 divisors (see below), whose sum is σ = 227044224. Its totient is φ = 169777080.

The previous prime is 198368437. The next prime is 198368483. The reversal of 198368471 is 174863891.

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

It is a cyclic number.

It is not a de Polignac number, because 198368471 - 2¹⁰ = 198367447 is a prime.

It is a super-3 number, since 3×198368471³ (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 (198868471) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15965 + ... + 25526.

It is an arithmetic number, because the mean of its divisors is an integer number (28380528).

Almost surely, 2^198368471 is an apocalyptic number.

198368471 is a deficient number, since it is larger than the sum of its proper divisors (28675753).

198368471 is an equidigital number, since it uses as much as digits as its factorization.

198368471 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42181.

The product of its digits is 290304, while the sum is 47.

The square root of 198368471 is about 14084.3342405667. The cubic root of 198368471 is about 583.2089972460.

The spelling of 198368471 in words is "one hundred ninety-eight million, three hundred sixty-eight thousand, four hundred seventy-one".