195963 has 8 divisors (see below), whose sum is σ = 264768. Its totient is φ = 128904.

The previous prime is 195931. The next prime is 195967. The reversal of 195963 is 369591.

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

It is not a de Polignac number, because 195963 - 2⁵ = 195931 is a prime.

195963 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (195967) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 145 + ... + 642.

It is an arithmetic number, because the mean of its divisors is an integer number (33096).

2¹⁹⁵⁹⁶³ is an apocalyptic number.

195963 is a deficient number, since it is larger than the sum of its proper divisors (68805).

195963 is an equidigital number, since it uses as much as digits as its factorization.

195963 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 873.

The product of its digits is 7290, while the sum is 33.

The square root of 195963 is about 442.6770832108. The cubic root of 195963 is about 58.0842019173.

The spelling of 195963 in words is "one hundred ninety-five thousand, nine hundred sixty-three".