304434212 has 12 divisors (see below), whose sum is σ = 532887180. Its totient is φ = 152180736.

The previous prime is 304434191. The next prime is 304434227. The reversal of 304434212 is 212434403.

It can be written as a sum of positive squares in 2 ways, for example, as 115261696 + 189172516 = 10736^2 + 13754^2 .

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, 20288 + ... + 31944.

It is an arithmetic number, because the mean of its divisors is an integer number (44407265).

Almost surely, 2^304434212 is an apocalyptic number.

It is an amenable number.

304434212 is a deficient number, since it is larger than the sum of its proper divisors (228452968).

304434212 is a wasteful number, since it uses less digits than its factorization.

304434212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18190 (or 18188 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 23.

The square root of 304434212 is about 17448.0432140684. The cubic root of 304434212 is about 672.7150628481.

Adding to 304434212 its reverse (212434403), we get a palindrome (516868615).

The spelling of 304434212 in words is "three hundred four million, four hundred thirty-four thousand, two hundred twelve".