395234217 has 12 divisors (see below), whose sum is σ = 652450240. Its totient is φ = 225848088.

The previous prime is 395234183. The next prime is 395234227. The reversal of 395234217 is 712432593.

It is not a de Polignac number, because 395234217 - 2⁸ = 395233961 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (395234227) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3136717 + ... + 3136842.

Almost surely, 2^395234217 is an apocalyptic number.

It is an amenable number.

395234217 is a deficient number, since it is larger than the sum of its proper divisors (257216023).

395234217 is a wasteful number, since it uses less digits than its factorization.

395234217 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6273572 (or 6273569 counting only the distinct ones).

The product of its digits is 45360, while the sum is 36.

The square root of 395234217 is about 19880.4984092452. The cubic root of 395234217 is about 733.8683849820.

The spelling of 395234217 in words is "three hundred ninety-five million, two hundred thirty-four thousand, two hundred seventeen".