404435 has 8 divisors (see below), whose sum is σ = 495936. Its totient is φ = 316480.

The previous prime is 404431. The next prime is 404449. The reversal of 404435 is 534404.

It is a happy number.

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

It is not a de Polignac number, because 404435 - 2² = 404431 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (404431) 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 7 ways as a sum of consecutive naturals, for example, 626 + ... + 1095.

It is an arithmetic number, because the mean of its divisors is an integer number (61992).

2⁴⁰⁴⁴³⁵ is an apocalyptic number.

404435 is a deficient number, since it is larger than the sum of its proper divisors (91501).

404435 is a wasteful number, since it uses less digits than its factorization.

404435 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1773.

The product of its (nonzero) digits is 960, while the sum is 20.

The square root of 404435 is about 635.9520422170. The cubic root of 404435 is about 73.9519410376.

Adding to 404435 its reverse (534404), we get a palindrome (938839).

The spelling of 404435 in words is "four hundred four thousand, four hundred thirty-five".