198514419 has 4 divisors (see below), whose sum is σ = 264685896. Its totient is φ = 132342944.

The previous prime is 198514391. The next prime is 198514441. The reversal of 198514419 is 914415891.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 198514419 - 2⁸ = 198514163 is a prime.

It is a super-2 number, since 2×198514419² = 78815949101815122, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (198514469) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 33085734 + ... + 33085739.

It is an arithmetic number, because the mean of its divisors is an integer number (66171474).

Almost surely, 2^198514419 is an apocalyptic number.

198514419 is a deficient number, since it is larger than the sum of its proper divisors (66171477).

198514419 is an equidigital number, since it uses as much as digits as its factorization.

198514419 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 66171476.

The product of its digits is 51840, while the sum is 42.

The square root of 198514419 is about 14089.5145054753. The cubic root of 198514419 is about 583.3519926186.

The spelling of 198514419 in words is "one hundred ninety-eight million, five hundred fourteen thousand, four hundred nineteen".