404534 has 8 divisors (see below), whose sum is σ = 653520. Its totient is φ = 186696.

The previous prime is 404533. The next prime is 404539. The reversal of 404534 is 435404.

It is a happy number.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (404531) 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, 7754 + ... + 7805.

It is an arithmetic number, because the mean of its divisors is an integer number (81690).

2⁴⁰⁴⁵³⁴ is an apocalyptic number.

404534 is a deficient number, since it is larger than the sum of its proper divisors (248986).

404534 is a wasteful number, since it uses less digits than its factorization.

404534 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15574.

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

The square root of 404534 is about 636.0298735122. The cubic root of 404534 is about 73.9579746770.

Adding to 404534 its reverse (435404), we get a palindrome (839938).

The spelling of 404534 in words is "four hundred four thousand, five hundred thirty-four".