395893 has 4 divisors (see below), whose sum is σ = 398700. Its totient is φ = 393088.

The previous prime is 395891. The next prime is 395897. The reversal of 395893 is 398593.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 398593 = 13 ⋅30661.

It can be written as a sum of positive squares in 2 ways, for example, as 142884 + 253009 = 378^2 + 503^2 .

It is a cyclic number.

It is not a de Polignac number, because 395893 - 2¹ = 395891 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (395891) 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, 1180 + ... + 1477.

It is an arithmetic number, because the mean of its divisors is an integer number (99675).

2³⁹⁵⁸⁹³ is an apocalyptic number.

It is an amenable number.

395893 is a deficient number, since it is larger than the sum of its proper divisors (2807).

395893 is a wasteful number, since it uses less digits than its factorization.

395893 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2806.

The product of its digits is 29160, while the sum is 37.

The square root of 395893 is about 629.2002860775. The cubic root of 395893 is about 73.4275900012.

The spelling of 395893 in words is "three hundred ninety-five thousand, eight hundred ninety-three".