198245605 has 8 divisors (see below), whose sum is σ = 241927200. Its totient is φ = 155908176.

The previous prime is 198245587. The next prime is 198245633. The reversal of 198245605 is 506542891.

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 198245605 - 2¹¹ = 198243557 is a prime.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 335715 + ... + 336304.

It is an arithmetic number, because the mean of its divisors is an integer number (30240900).

Almost surely, 2^198245605 is an apocalyptic number.

It is an amenable number.

198245605 is a deficient number, since it is larger than the sum of its proper divisors (43681595).

198245605 is an equidigital number, since it uses as much as digits as its factorization.

198245605 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 672083.

The product of its (nonzero) digits is 86400, while the sum is 40.

The square root of 198245605 is about 14079.9717684376. The cubic root of 198245605 is about 583.0885625222.

The spelling of 198245605 in words is "one hundred ninety-eight million, two hundred forty-five thousand, six hundred five".