195764 has 12 divisors (see below), whose sum is σ = 346500. Its totient is φ = 96768.

The previous prime is 195761. The next prime is 195781. The reversal of 195764 is 467591.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 128164 + 67600 = 358^2 + 260^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 195764.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 195764.

It is not an unprimeable number, because it can be changed into a prime (195761) by changing a digit.

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 in 3 ways as a sum of consecutive naturals, for example, 212 + ... + 660.

It is an arithmetic number, because the mean of its divisors is an integer number (28875).

2¹⁹⁵⁷⁶⁴ is an apocalyptic number.

It is an amenable number.

195764 is a deficient number, since it is larger than the sum of its proper divisors (150736).

195764 is a wasteful number, since it uses less digits than its factorization.

195764 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 562 (or 560 counting only the distinct ones).

The product of its digits is 7560, while the sum is 32.

The square root of 195764 is about 442.4522573115. The cubic root of 195764 is about 58.0645337980.

It can be divided in two parts, 195 and 764, that added together give a palindrome (959).

The spelling of 195764 in words is "one hundred ninety-five thousand, seven hundred sixty-four".