30304216 has 16 divisors (see below), whose sum is σ = 57204000. Its totient is φ = 15049824.

The previous prime is 30304187. The next prime is 30304231. The reversal of 30304216 is 61240303.

It is a super-3 number, since 3×30304216³ (a number of 23 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 30304193 and 30304202.

It is a congruent 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, 11520 + ... + 13903.

It is an arithmetic number, because the mean of its divisors is an integer number (3575250).

Almost surely, 2^30304216 is an apocalyptic number.

It is an amenable number.

30304216 is a deficient number, since it is larger than the sum of its proper divisors (26899784).

30304216 is a wasteful number, since it uses less digits than its factorization.

30304216 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25578 (or 25574 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 19.

The square root of 30304216 is about 5504.9265208538. The cubic root of 30304216 is about 311.7700200883.

Adding to 30304216 its reverse (61240303), we get a palindrome (91544519).

The spelling of 30304216 in words is "thirty million, three hundred four thousand, two hundred sixteen".