198005495 has 8 divisors (see below), whose sum is σ = 238145616. Its totient is φ = 158045056.

The previous prime is 198005473. The next prime is 198005503. The reversal of 198005495 is 594500891.

It is a happy number.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-198005495 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 42482 + ... + 46911.

It is an arithmetic number, because the mean of its divisors is an integer number (29768202).

Almost surely, 2^198005495 is an apocalyptic number.

198005495 is a deficient number, since it is larger than the sum of its proper divisors (40140121).

198005495 is an equidigital number, since it uses as much as digits as its factorization.

198005495 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 89841.

The product of its (nonzero) digits is 64800, while the sum is 41.

The square root of 198005495 is about 14071.4425344383. The cubic root of 198005495 is about 582.8530601068.

The spelling of 198005495 in words is "one hundred ninety-eight million, five thousand, four hundred ninety-five".