306019946 has 4 divisors (see below), whose sum is σ = 459029922. Its totient is φ = 153009972.

The previous prime is 306019939. The next prime is 306019969. The reversal of 306019946 is 649910603.

306019946 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 274266721 + 31753225 = 16561^2 + 5635^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 76504985 + ... + 76504988.

Almost surely, 2^306019946 is an apocalyptic number.

306019946 is a deficient number, since it is larger than the sum of its proper divisors (153009976).

306019946 is a wasteful number, since it uses less digits than its factorization.

306019946 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 153009975.

The product of its (nonzero) digits is 34992, while the sum is 38.

The square root of 306019946 is about 17493.4257937089. The cubic root of 306019946 is about 673.8810513086.

The spelling of 306019946 in words is "three hundred six million, nineteen thousand, nine hundred forty-six".