395659 has 4 divisors (see below), whose sum is σ = 431640. Its totient is φ = 359680.

The previous prime is 395657. The next prime is 395671. The reversal of 395659 is 956593.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 395659 - 2¹ = 395657 is a prime.

It is not an unprimeable number, because it can be changed into a prime (395657) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17974 + ... + 17995.

It is an arithmetic number, because the mean of its divisors is an integer number (107910).

2³⁹⁵⁶⁵⁹ is an apocalyptic number.

395659 is a deficient number, since it is larger than the sum of its proper divisors (35981).

395659 is a wasteful number, since it uses less digits than its factorization.

395659 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35980.

The product of its digits is 36450, while the sum is 37.

The square root of 395659 is about 629.0143082633. The cubic root of 395659 is about 73.4131202308.

The spelling of 395659 in words is "three hundred ninety-five thousand, six hundred fifty-nine".