306120304 has 40 divisors (see below), whose sum is σ = 678755168. Its totient is φ = 131016960.

The previous prime is 306120299. The next prime is 306120313. The reversal of 306120304 is 403021603.

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, 113014 + ... + 115690.

Almost surely, 2^306120304 is an apocalyptic number.

It is an amenable number.

306120304 is an abundant number, since it is smaller than the sum of its proper divisors (372634864).

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

306120304 is a wasteful number, since it uses less digits than its factorization.

306120304 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3713 (or 3707 counting only the distinct ones).

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

The square root of 306120304 is about 17496.2940075892. The cubic root of 306120304 is about 673.9547087764.

Adding to 306120304 its reverse (403021603), we get a palindrome (709141907).

The spelling of 306120304 in words is "three hundred six million, one hundred twenty thousand, three hundred four".