395189 has 2 divisors, whose sum is σ = 395190. Its totient is φ = 395188.

The previous prime is 395173. The next prime is 395191. The reversal of 395189 is 981593.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 348100 + 47089 = 590^2 + 217^2 .

It is a cyclic number.

It is not a de Polignac number, because 395189 - 2⁴ = 395173 is a prime.

It is a Sophie Germain prime.

Together with 395191, it forms a pair of twin primes.

It is a Chen prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (395119) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 197594 + 197595.

It is an arithmetic number, because the mean of its divisors is an integer number (197595).

2³⁹⁵¹⁸⁹ is an apocalyptic number.

It is an amenable number.

395189 is a deficient number, since it is larger than the sum of its proper divisors (1).

395189 is an equidigital number, since it uses as much as digits as its factorization.

395189 is an evil number, because the sum of its binary digits is even.

The product of its digits is 9720, while the sum is 35.

The square root of 395189 is about 628.6405968437. The cubic root of 395189 is about 73.3840397702.

The spelling of 395189 in words is "three hundred ninety-five thousand, one hundred eighty-nine".