405595 has 4 divisors (see below), whose sum is σ = 486720. Its totient is φ = 324472.

The previous prime is 405577. The next prime is 405599. The reversal of 405595 is 595504.

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 405595 - 2¹¹ = 403547 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (405599) 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, 40555 + ... + 40564.

It is an arithmetic number, because the mean of its divisors is an integer number (121680).

2⁴⁰⁵⁵⁹⁵ is an apocalyptic number.

405595 is a deficient number, since it is larger than the sum of its proper divisors (81125).

405595 is an equidigital number, since it uses as much as digits as its factorization.

405595 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 81124.

The product of its (nonzero) digits is 4500, while the sum is 28.

The square root of 405595 is about 636.8634076472. The cubic root of 405595 is about 74.0225765057.

It can be divided in two parts, 405 and 595, that added together give a cube (1000 = 10³).

The spelling of 405595 in words is "four hundred five thousand, five hundred ninety-five".