306381912 has 32 divisors (see below), whose sum is σ = 771993600. Its totient is φ = 101322144.

The previous prime is 306381899. The next prime is 306381931. The reversal of 306381912 is 219183603.

306381912 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 47212 + ... + 53307.

It is an arithmetic number, because the mean of its divisors is an integer number (24124800).

Almost surely, 2^306381912 is an apocalyptic number.

It is an amenable number.

306381912 is an abundant number, since it is smaller than the sum of its proper divisors (465611688).

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

306381912 is a wasteful number, since it uses less digits than its factorization.

306381912 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 100655 (or 100651 counting only the distinct ones).

The product of its (nonzero) digits is 7776, while the sum is 33.

The square root of 306381912 is about 17503.7685085241. The cubic root of 306381912 is about 674.1466395741.

The spelling of 306381912 in words is "three hundred six million, three hundred eighty-one thousand, nine hundred twelve".