395911 has 4 divisors (see below), whose sum is σ = 397192. Its totient is φ = 394632.

The previous prime is 395909. The next prime is 395921. The reversal of 395911 is 119593.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 119593 = 59 ⋅2027.

It is a cyclic number.

It is not a de Polignac number, because 395911 - 2¹ = 395909 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 395911.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (395921) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 145 + ... + 901.

It is an arithmetic number, because the mean of its divisors is an integer number (99298).

2³⁹⁵⁹¹¹ is an apocalyptic number.

395911 is a deficient number, since it is larger than the sum of its proper divisors (1281).

395911 is an equidigital number, since it uses as much as digits as its factorization.

395911 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1280.

The product of its digits is 1215, while the sum is 28.

The square root of 395911 is about 629.2145897863. The cubic root of 395911 is about 73.4287028243.

The spelling of 395911 in words is "three hundred ninety-five thousand, nine hundred eleven".