195387 has 4 divisors (see below), whose sum is σ = 260520. Its totient is φ = 130256.

The previous prime is 195359. The next prime is 195389. The reversal of 195387 is 783591.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 195387 - 2⁷ = 195259 is a prime.

It is a D-number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 195387.

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

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 32562 + ... + 32567.

It is an arithmetic number, because the mean of its divisors is an integer number (65130).

2¹⁹⁵³⁸⁷ is an apocalyptic number.

195387 is a deficient number, since it is larger than the sum of its proper divisors (65133).

195387 is an equidigital number, since it uses as much as digits as its factorization.

195387 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65132.

The product of its digits is 7560, while the sum is 33.

The square root of 195387 is about 442.0260173338. The cubic root of 195387 is about 58.0272365142.

The spelling of 195387 in words is "one hundred ninety-five thousand, three hundred eighty-seven".