404005004 has 12 divisors (see below), whose sum is σ = 761394144. Its totient is φ = 186463824.

The previous prime is 404005001. The next prime is 404005027. The reversal of 404005004 is 400500404.

It is not an unprimeable number, because it can be changed into a prime (404005001) 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, 3884612 + ... + 3884715.

It is an arithmetic number, because the mean of its divisors is an integer number (63449512).

Almost surely, 2^404005004 is an apocalyptic number.

It is an amenable number.

404005004 is a deficient number, since it is larger than the sum of its proper divisors (357389140).

404005004 is a wasteful number, since it uses less digits than its factorization.

404005004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7769344 (or 7769342 counting only the distinct ones).

The product of its (nonzero) digits is 320, while the sum is 17.

The square root of 404005004 is about 20099.8757210088. The cubic root of 404005004 is about 739.2572313270.

Adding to 404005004 its reverse (400500404), we get a palindrome (804505408).

The spelling of 404005004 in words is "four hundred four million, five thousand, four".