198488495 has 4 divisors (see below), whose sum is σ = 238186200. Its totient is φ = 158790792.

The previous prime is 198488491. The next prime is 198488501. The reversal of 198488495 is 594884891.

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 198488495 - 2² = 198488491 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 198488495.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (198488491) 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, 19848845 + ... + 19848854.

It is an arithmetic number, because the mean of its divisors is an integer number (59546550).

Almost surely, 2^198488495 is an apocalyptic number.

198488495 is a deficient number, since it is larger than the sum of its proper divisors (39697705).

198488495 is an equidigital number, since it uses as much as digits as its factorization.

198488495 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39697704.

The product of its digits is 3317760, while the sum is 56.

The square root of 198488495 is about 14088.5945005171. The cubic root of 198488495 is about 583.3265981989.

The spelling of 198488495 in words is "one hundred ninety-eight million, four hundred eighty-eight thousand, four hundred ninety-five".