304540212 has 24 divisors (see below), whose sum is σ = 711871776. Its totient is φ = 101330848.

The previous prime is 304540163. The next prime is 304540267. The reversal of 304540212 is 212045403.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15783 + ... + 29294.

It is an arithmetic number, because the mean of its divisors is an integer number (29661324).

Almost surely, 2^304540212 is an apocalyptic number.

It is an amenable number.

304540212 is an abundant number, since it is smaller than the sum of its proper divisors (407331564).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

304540212 is a wasteful number, since it uses less digits than its factorization.

304540212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45647 (or 45645 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 21.

The square root of 304540212 is about 17451.0805396113. The cubic root of 304540212 is about 672.7931306422.

Adding to 304540212 its reverse (212045403), we get a palindrome (516585615).

The spelling of 304540212 in words is "three hundred four million, five hundred forty thousand, two hundred twelve".