404594 has 8 divisors (see below), whose sum is σ = 613980. Its totient is φ = 199936.

The previous prime is 404557. The next prime is 404597. The reversal of 404594 is 495404.

It can be written as a sum of positive squares in 2 ways, for example, as 403225 + 1369 = 635^2 + 37^2 .

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

It is an Ulam number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (404597) 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, 959 + ... + 1314.

2⁴⁰⁴⁵⁹⁴ is an apocalyptic number.

404594 is a deficient number, since it is larger than the sum of its proper divisors (209386).

404594 is a wasteful number, since it uses less digits than its factorization.

404594 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2364.

The product of its (nonzero) digits is 2880, while the sum is 26.

The square root of 404594 is about 636.0770393592. The cubic root of 404594 is about 73.9616309491.

Adding to 404594 its reverse (495404), we get a palindrome (899998).

The spelling of 404594 in words is "four hundred four thousand, five hundred ninety-four".