404044 has 12 divisors (see below), whose sum is σ = 716184. Its totient is φ = 199424.

The previous prime is 404029. The next prime is 404051. The reversal of 404044 is 440404.

It is an Ulam number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 277 + ... + 940.

It is an arithmetic number, because the mean of its divisors is an integer number (59682).

2⁴⁰⁴⁰⁴⁴ is an apocalyptic number.

It is an amenable number.

404044 is a deficient number, since it is larger than the sum of its proper divisors (312140).

404044 is a wasteful number, since it uses less digits than its factorization.

404044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1304 (or 1302 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 16.

The square root of 404044 is about 635.6445547631. The cubic root of 404044 is about 73.9281015808.

Adding to 404044 its reverse (440404), we get a palindrome (844448).

The spelling of 404044 in words is "four hundred four thousand, forty-four", and thus it is an iban number.