195298 has 4 divisors (see below), whose sum is σ = 292950. Its totient is φ = 97648.

The previous prime is 195281. The next prime is 195311. The reversal of 195298 is 892591.

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

It can be written as a sum of positive squares in only one way, i.e., 139129 + 56169 = 373^2 + 237^2 .

It is an Ulam number.

It is an unprimeable number.

195298 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 48823 + ... + 48826.

195298 is a Friedman number, since it can be written as (5^8-9)/2-9-1, using all its digits and the basic arithmetic operations.

2¹⁹⁵²⁹⁸ is an apocalyptic number.

195298 is a deficient number, since it is larger than the sum of its proper divisors (97652).

195298 is an equidigital number, since it uses as much as digits as its factorization.

195298 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 97651.

The product of its digits is 6480, while the sum is 34.

The square root of 195298 is about 441.9253330598. The cubic root of 195298 is about 58.0184245865.

The spelling of 195298 in words is "one hundred ninety-five thousand, two hundred ninety-eight".