395959 has 2 divisors, whose sum is σ = 395960. Its totient is φ = 395958.

The previous prime is 395953. The next prime is 395971. The reversal of 395959 is 959593.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-395959 is a prime.

It is an Ulam number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (395953) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 197979 + 197980.

It is an arithmetic number, because the mean of its divisors is an integer number (197980).

2³⁹⁵⁹⁵⁹ is an apocalyptic number.

395959 is a deficient number, since it is larger than the sum of its proper divisors (1).

395959 is an equidigital number, since it uses as much as digits as its factorization.

395959 is an evil number, because the sum of its binary digits is even.

The product of its digits is 54675, while the sum is 40.

The square root of 395959 is about 629.2527314204. The cubic root of 395959 is about 73.4316701876.

The spelling of 395959 in words is "three hundred ninety-five thousand, nine hundred fifty-nine".