195598 has 8 divisors (see below), whose sum is σ = 316008. Its totient is φ = 90264.

The previous prime is 195593. The next prime is 195599. The reversal of 195598 is 895591.

195598 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (195593) by changing a digit.

195598 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3736 + ... + 3787.

It is an arithmetic number, because the mean of its divisors is an integer number (39501).

2¹⁹⁵⁵⁹⁸ is an apocalyptic number.

195598 is a deficient number, since it is larger than the sum of its proper divisors (120410).

195598 is a wasteful number, since it uses less digits than its factorization.

195598 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7538.

The product of its digits is 16200, while the sum is 37.

The square root of 195598 is about 442.2646266660. The cubic root of 195598 is about 58.0481170269.

The spelling of 195598 in words is "one hundred ninety-five thousand, five hundred ninety-eight".