395791 has 6 divisors (see below), whose sum is σ = 435176. Its totient is φ = 359700.

The previous prime is 395767. The next prime is 395803. The reversal of 395791 is 197593.

It is a de Polignac number, because none of the positive numbers 2^k-395791 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (395701) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1515 + ... + 1756.

2³⁹⁵⁷⁹¹ is an apocalyptic number.

395791 is a deficient number, since it is larger than the sum of its proper divisors (39385).

395791 is a wasteful number, since it uses less digits than its factorization.

395791 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3293 (or 3282 counting only the distinct ones).

The product of its digits is 8505, while the sum is 34.

The square root of 395791 is about 629.1192255845. The cubic root of 395791 is about 73.4212833666.

It can be divided in two parts, 395 and 791, that multiplied together give a triangular number (312445 = T₇₉₀).

The spelling of 395791 in words is "three hundred ninety-five thousand, seven hundred ninety-one".