198498419 has 8 divisors (see below), whose sum is σ = 227000928. Its totient is φ = 170032320.

The previous prime is 198498403. The next prime is 198498427. The reversal of 198498419 is 914894891.

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 198498419 - 2⁴ = 198498403 is a prime.

It is a super-2 number, since 2×198498419² = 78803244690999122, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (198498499) 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, 3809 + ... + 20285.

It is an arithmetic number, because the mean of its divisors is an integer number (28375116).

Almost surely, 2^198498419 is an apocalyptic number.

198498419 is a deficient number, since it is larger than the sum of its proper divisors (28502509).

198498419 is a wasteful number, since it uses less digits than its factorization.

198498419 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18205.

The product of its digits is 746496, while the sum is 53.

The square root of 198498419 is about 14088.9466959031. The cubic root of 198498419 is about 583.3363197307.

The spelling of 198498419 in words is "one hundred ninety-eight million, four hundred ninety-eight thousand, four hundred nineteen".