395591 has 8 divisors (see below), whose sum is σ = 466944. Its totient is φ = 327960.

The previous prime is 395581. The next prime is 395597. The reversal of 395591 is 195593.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 395591 - 2¹⁴ = 379207 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 395591.

It is not an unprimeable number, because it can be changed into a prime (395597) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 695 + ... + 1128.

It is an arithmetic number, because the mean of its divisors is an integer number (58368).

2³⁹⁵⁵⁹¹ is an apocalyptic number.

395591 is a gapful number since it is divisible by the number (31) formed by its first and last digit.

395591 is a deficient number, since it is larger than the sum of its proper divisors (71353).

395591 is a wasteful number, since it uses less digits than its factorization.

395591 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1861.

The product of its digits is 6075, while the sum is 32.

The square root of 395591 is about 628.9602531162. The cubic root of 395591 is about 73.4089142705.

The spelling of 395591 in words is "three hundred ninety-five thousand, five hundred ninety-one".