195380 has 12 divisors (see below), whose sum is σ = 410340. Its totient is φ = 78144.

The previous prime is 195359. The next prime is 195389. The reversal of 195380 is 83591.

It can be written as a sum of positive squares in 2 ways, for example, as 68644 + 126736 = 262^2 + 356^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (195389) by changing a digit.

195380 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

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, 4865 + ... + 4904.

It is an arithmetic number, because the mean of its divisors is an integer number (34195).

2¹⁹⁵³⁸⁰ is an apocalyptic number.

195380 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

195380 is an abundant number, since it is smaller than the sum of its proper divisors (214960).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

195380 is a wasteful number, since it uses less digits than its factorization.

195380 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9778 (or 9776 counting only the distinct ones).

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

The square root of 195380 is about 442.0180991769. The cubic root of 195380 is about 58.0265435382.

It can be divided in two parts, 195 and 380, that added together give a palindrome (575).

The spelling of 195380 in words is "one hundred ninety-five thousand, three hundred eighty".