395897 has 2 divisors, whose sum is σ = 395898. Its totient is φ = 395896.

The previous prime is 395891. The next prime is 395909. The reversal of 395897 is 798593.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 395641 + 256 = 629^2 + 16^2 .

It is a cyclic number.

It is not a de Polignac number, because 395897 - 2¹² = 391801 is a prime.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 395897.

It is not a weakly prime, because it can be changed into another prime (395891) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 197948 + 197949.

It is an arithmetic number, because the mean of its divisors is an integer number (197949).

2³⁹⁵⁸⁹⁷ is an apocalyptic number.

It is an amenable number.

395897 is a deficient number, since it is larger than the sum of its proper divisors (1).

395897 is an equidigital number, since it uses as much as digits as its factorization.

395897 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 68040, while the sum is 41.

The square root of 395897 is about 629.2034647076. The cubic root of 395897 is about 73.4278372982.

The spelling of 395897 in words is "three hundred ninety-five thousand, eight hundred ninety-seven".