404334 has 24 divisors (see below), whose sum is σ = 1001520. Its totient is φ = 115488.

The previous prime is 404323. The next prime is 404357. The reversal of 404334 is 433404.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

404334 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

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 11 ways as a sum of consecutive naturals, for example, 1479 + ... + 1730.

It is an arithmetic number, because the mean of its divisors is an integer number (41730).

2⁴⁰⁴³³⁴ is an apocalyptic number.

404334 is an abundant number, since it is smaller than the sum of its proper divisors (597186).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

404334 is a wasteful number, since it uses less digits than its factorization.

404334 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3224 (or 3221 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 18.

The square root of 404334 is about 635.8726287552. The cubic root of 404334 is about 73.9457844917.

Adding to 404334 its reverse (433404), we get a palindrome (837738).

The spelling of 404334 in words is "four hundred four thousand, three hundred thirty-four".