305338066 has 16 divisors (see below), whose sum is σ = 501834240. Its totient is φ = 138181680.

The previous prime is 305338057. The next prime is 305338069. The reversal of 305338066 is 660833503.

It is a happy number.

305338066 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (305338069) by changing a digit.

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, 25266 + ... + 35341.

It is an arithmetic number, because the mean of its divisors is an integer number (31364640).

Almost surely, 2^305338066 is an apocalyptic number.

305338066 is a deficient number, since it is larger than the sum of its proper divisors (196496174).

305338066 is a wasteful number, since it uses less digits than its factorization.

305338066 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60849.

The product of its (nonzero) digits is 38880, while the sum is 34.

The square root of 305338066 is about 17473.9253174551. The cubic root of 305338066 is about 673.3801605072.

The spelling of 305338066 in words is "three hundred five million, three hundred thirty-eight thousand, sixty-six".