304540216 has 16 divisors (see below), whose sum is σ = 571591800. Its totient is φ = 152115744.

The previous prime is 304540163. The next prime is 304540267. The reversal of 304540216 is 612045403.

It is a super-2 number, since 2×304540216² = 185489486322653312, which contains 22 as substring.

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 3 ways as a sum of consecutive naturals, for example, 10686 + ... + 26893.

Almost surely, 2^304540216 is an apocalyptic number.

It is an amenable number.

304540216 is a deficient number, since it is larger than the sum of its proper divisors (267051584).

304540216 is a wasteful number, since it uses less digits than its factorization.

304540216 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38598 (or 38594 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 25.

The square root of 304540216 is about 17451.0806542174. The cubic root of 304540216 is about 672.7931335878.

Adding to 304540216 its reverse (612045403), we get a palindrome (916585619).

The spelling of 304540216 in words is "three hundred four million, five hundred forty thousand, two hundred sixteen".