395579 has 4 divisors (see below), whose sum is σ = 399384. Its totient is φ = 391776.

The previous prime is 395543. The next prime is 395581. The reversal of 395579 is 975593.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 975593 = 19 ⋅51347.

It is a cyclic number.

It is not a de Polignac number, because 395579 - 2⁸ = 395323 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (395509) 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, 1742 + ... + 1955.

It is an arithmetic number, because the mean of its divisors is an integer number (99846).

2³⁹⁵⁵⁷⁹ is an apocalyptic number.

395579 is a deficient number, since it is larger than the sum of its proper divisors (3805).

395579 is a wasteful number, since it uses less digits than its factorization.

395579 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3804.

The product of its digits is 42525, while the sum is 38.

The square root of 395579 is about 628.9507134903. The cubic root of 395579 is about 73.4081719922.

It can be divided in two parts, 3955 and 79, that multiplied together give a triangular number (312445 = T₇₉₀).

The spelling of 395579 in words is "three hundred ninety-five thousand, five hundred seventy-nine".