395005 has 16 divisors (see below), whose sum is σ = 524160. Its totient is φ = 283968.

The previous prime is 394993. The next prime is 395023. The reversal of 395005 is 500593.

It is a cyclic number.

It is not a de Polignac number, because 395005 - 2¹¹ = 392957 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3784 + ... + 3886.

It is an arithmetic number, because the mean of its divisors is an integer number (32760).

2³⁹⁵⁰⁰⁵ is an apocalyptic number.

It is an amenable number.

395005 is a deficient number, since it is larger than the sum of its proper divisors (129155).

395005 is a wasteful number, since it uses less digits than its factorization.

395005 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 180.

The product of its (nonzero) digits is 675, while the sum is 22.

The square root of 395005 is about 628.4942322727. The cubic root of 395005 is about 73.3726487991.

Adding to 395005 its reverse (500593), we get a palindrome (895598).

The spelling of 395005 in words is "three hundred ninety-five thousand, five".