395291 has 6 divisors (see below), whose sum is σ = 428220. Its totient is φ = 364728.

The previous prime is 395287. The next prime is 395293. The reversal of 395291 is 192593.

It is not a de Polignac number, because 395291 - 2² = 395287 is a prime.

It is not an unprimeable number, because it can be changed into a prime (395293) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1001 + ... + 1338.

It is an arithmetic number, because the mean of its divisors is an integer number (71370).

2³⁹⁵²⁹¹ is an apocalyptic number.

395291 is a deficient number, since it is larger than the sum of its proper divisors (32929).

395291 is a wasteful number, since it uses less digits than its factorization.

395291 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2365 (or 2352 counting only the distinct ones).

The product of its digits is 2430, while the sum is 29.

The square root of 395291 is about 628.7217190459. The cubic root of 395291 is about 73.3903528070.

It can be divided in two parts, 395 and 291, that added together give a palindrome (686).

The spelling of 395291 in words is "three hundred ninety-five thousand, two hundred ninety-one".