306942028 has 12 divisors (see below), whose sum is σ = 537470640. Its totient is φ = 153378992.

The previous prime is 306942011. The next prime is 306942029. The reversal of 306942028 is 820249603.

306942028 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 306941984 and 306942002.

It is not an unprimeable number, because it can be changed into a prime (306942029) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15208 + ... + 29071.

It is an arithmetic number, because the mean of its divisors is an integer number (44789220).

Almost surely, 2^306942028 is an apocalyptic number.

It is an amenable number.

306942028 is a deficient number, since it is larger than the sum of its proper divisors (230528612).

306942028 is a wasteful number, since it uses less digits than its factorization.

306942028 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46016 (or 46014 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 34.

The square root of 306942028 is about 17519.7610714302. The cubic root of 306942028 is about 674.5572060739.

The spelling of 306942028 in words is "three hundred six million, nine hundred forty-two thousand, twenty-eight".