395239 has 4 divisors (see below), whose sum is σ = 425656. Its totient is φ = 364824.

The previous prime is 395231. The next prime is 395243. The reversal of 395239 is 932593.

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 395239 - 2³ = 395231 is a prime.

It is a Duffinian number.

It is a zygodrome in base 2.

It is a self number, because there is not a number n which added to its sum of digits gives 395239.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (395231) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15189 + ... + 15214.

It is an arithmetic number, because the mean of its divisors is an integer number (106414).

2³⁹⁵²³⁹ is an apocalyptic number.

395239 is a deficient number, since it is larger than the sum of its proper divisors (30417).

395239 is a wasteful number, since it uses less digits than its factorization.

395239 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30416.

The product of its digits is 7290, while the sum is 31.

The square root of 395239 is about 628.6803639370. The cubic root of 395239 is about 73.3871345318.

The spelling of 395239 in words is "three hundred ninety-five thousand, two hundred thirty-nine".