195308 has 12 divisors (see below), whose sum is σ = 345072. Its totient is φ = 96720.

The previous prime is 195281. The next prime is 195311. The reversal of 195308 is 803591.

It is an unprimeable number.

195308 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, 473 + ... + 783.

It is an arithmetic number, because the mean of its divisors is an integer number (28756).

195308 is a Friedman number, since it can be written as (9-5^8)/(1-3+0), using all its digits and the basic arithmetic operations.

2¹⁹⁵³⁰⁸ is an apocalyptic number.

It is an amenable number.

195308 is a deficient number, since it is larger than the sum of its proper divisors (149764).

195308 is a wasteful number, since it uses less digits than its factorization.

195308 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 472 (or 470 counting only the distinct ones).

The product of its (nonzero) digits is 1080, while the sum is 26.

The square root of 195308 is about 441.9366470434. The cubic root of 195308 is about 58.0194148242.

Adding to 195308 its reverse (803591), we get a palindrome (998899).

The spelling of 195308 in words is "one hundred ninety-five thousand, three hundred eight".