304430404 has 12 divisors (see below), whose sum is σ = 535458924. Its totient is φ = 151442144.

The previous prime is 304430389. The next prime is 304430417. The reversal of 304430404 is 404034403.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 132296004 + 172134400 = 11502^2 + 13120^2 .

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, 192379 + ... + 193954.

It is an arithmetic number, because the mean of its divisors is an integer number (44621577).

Almost surely, 2^304430404 is an apocalyptic number.

It is an amenable number.

304430404 is a deficient number, since it is larger than the sum of its proper divisors (231028520).

304430404 is a wasteful number, since it uses less digits than its factorization.

304430404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 386534 (or 386532 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 22.

The square root of 304430404 is about 17447.9340897425. The cubic root of 304430404 is about 672.7122579622.

Adding to 304430404 its reverse (404034403), we get a palindrome (708464807).

The spelling of 304430404 in words is "three hundred four million, four hundred thirty thousand, four hundred four".