404995 has 8 divisors (see below), whose sum is σ = 491184. Its totient is φ = 320544.

The previous prime is 404983. The next prime is 405001. The reversal of 404995 is 599404.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 404995 - 2⁹ = 404483 is a prime.

It is a Duffinian number.

It is a plaindrome in base 13.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 157 + ... + 913.

It is an arithmetic number, because the mean of its divisors is an integer number (61398).

2⁴⁰⁴⁹⁹⁵ is an apocalyptic number.

404995 is a deficient number, since it is larger than the sum of its proper divisors (86189).

404995 is a wasteful number, since it uses less digits than its factorization.

404995 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 869.

The product of its (nonzero) digits is 6480, while the sum is 31.

The square root of 404995 is about 636.3921746848. The cubic root of 404995 is about 73.9860577580.

It can be divided in two parts, 40499 and 5, that added together give a palindrome (40504).

The spelling of 404995 in words is "four hundred four thousand, nine hundred ninety-five".