198463471 has 2 divisors, whose sum is σ = 198463472. Its totient is φ = 198463470.

The previous prime is 198463453. The next prime is 198463511. The reversal of 198463471 is 174364891.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 198463471 - 2¹⁵ = 198430703 is a prime.

It is a super-3 number, since 3×198463471³ (a number of 26 digits) contains 333 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (198463451) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 99231735 + 99231736.

It is an arithmetic number, because the mean of its divisors is an integer number (99231736).

Almost surely, 2^198463471 is an apocalyptic number.

198463471 is a deficient number, since it is larger than the sum of its proper divisors (1).

198463471 is an equidigital number, since it uses as much as digits as its factorization.

198463471 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 145152, while the sum is 43.

The square root of 198463471 is about 14087.7063782576. The cubic root of 198463471 is about 583.3020832964.

The spelling of 198463471 in words is "one hundred ninety-eight million, four hundred sixty-three thousand, four hundred seventy-one".