305708612 has 12 divisors (see below), whose sum is σ = 583625616. Its totient is φ = 138958440.

The previous prime is 305708609. The next prime is 305708653. The reversal of 305708612 is 216807503.

It is a happy number.

305708612 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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, 3473918 + ... + 3474005.

It is an arithmetic number, because the mean of its divisors is an integer number (48635468).

Almost surely, 2^305708612 is an apocalyptic number.

It is an amenable number.

305708612 is a deficient number, since it is larger than the sum of its proper divisors (277917004).

305708612 is a wasteful number, since it uses less digits than its factorization.

305708612 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6947938 (or 6947936 counting only the distinct ones).

The product of its (nonzero) digits is 10080, while the sum is 32.

The square root of 305708612 is about 17484.5249292053. The cubic root of 305708612 is about 673.6524460879.

The spelling of 305708612 in words is "three hundred five million, seven hundred eight thousand, six hundred twelve".