404305004 has 12 divisors (see below), whose sum is σ = 707888328. Its totient is φ = 202051200.

The previous prime is 404304997. The next prime is 404305019. The reversal of 404305004 is 400503404.

It is a happy 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, 15962 + ... + 32609.

It is an arithmetic number, because the mean of its divisors is an integer number (58990694).

Almost surely, 2^404305004 is an apocalyptic number.

It is an amenable number.

404305004 is a deficient number, since it is larger than the sum of its proper divisors (303583324).

404305004 is a wasteful number, since it uses less digits than its factorization.

404305004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50656 (or 50654 counting only the distinct ones).

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

The square root of 404305004 is about 20107.3370688413. The cubic root of 404305004 is about 739.4401682504.

Adding to 404305004 its reverse (400503404), we get a palindrome (804808408).

The spelling of 404305004 in words is "four hundred four million, three hundred five thousand, four".