404095 has 4 divisors (see below), whose sum is σ = 484920. Its totient is φ = 323272.

The previous prime is 404081. The next prime is 404099. The reversal of 404095 is 590404.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-404095 is a prime.

It is a plaindrome in base 11.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (404099) 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, 40405 + ... + 40414.

It is an arithmetic number, because the mean of its divisors is an integer number (121230).

2⁴⁰⁴⁰⁹⁵ is an apocalyptic number.

404095 is a deficient number, since it is larger than the sum of its proper divisors (80825).

404095 is an equidigital number, since it uses as much as digits as its factorization.

404095 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 80824.

The product of its (nonzero) digits is 720, while the sum is 22.

The square root of 404095 is about 635.6846702572. The cubic root of 404095 is about 73.9312119471.

Adding to 404095 its reverse (590404), we get a palindrome (994499).

The spelling of 404095 in words is "four hundred four thousand, ninety-five".