195898 has 8 divisors (see below), whose sum is σ = 301140. Its totient is φ = 95520.

The previous prime is 195893. The next prime is 195907. The reversal of 195898 is 898591.

It can be written as a sum of positive squares in 2 ways, for example, as 162409 + 33489 = 403^2 + 183^2 .

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

It is a self number, because there is not a number n which added to its sum of digits gives 195898.

It is not an unprimeable number, because it can be changed into a prime (195893) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1113 + ... + 1276.

2¹⁹⁵⁸⁹⁸ is an apocalyptic number.

195898 is a deficient number, since it is larger than the sum of its proper divisors (105242).

195898 is a wasteful number, since it uses less digits than its factorization.

195898 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2432.

The product of its digits is 25920, while the sum is 40.

The square root of 195898 is about 442.6036601747. The cubic root of 195898 is about 58.0777791221.

The spelling of 195898 in words is "one hundred ninety-five thousand, eight hundred ninety-eight".