395693 has 4 divisors (see below), whose sum is σ = 404160. Its totient is φ = 387228.

The previous prime is 395687. The next prime is 395701. The reversal of 395693 is 396593.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 395693 - 2⁴ = 395677 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (395093) 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, 4163 + ... + 4256.

It is an arithmetic number, because the mean of its divisors is an integer number (101040).

2³⁹⁵⁶⁹³ is an apocalyptic number.

It is an amenable number.

395693 is a deficient number, since it is larger than the sum of its proper divisors (8467).

395693 is an equidigital number, since it uses as much as digits as its factorization.

395693 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8466.

The product of its digits is 21870, while the sum is 35.

The square root of 395693 is about 629.0413340950. The cubic root of 395693 is about 73.4152230303.

Subtracting 395693 from its reverse (396593), we obtain a square (900 = 30²).

The spelling of 395693 in words is "three hundred ninety-five thousand, six hundred ninety-three".