306434018 has 16 divisors (see below), whose sum is σ = 501742080. Its totient is φ = 139203600.

The previous prime is 306434017. The next prime is 306434053. The reversal of 306434018 is 810434603.

It is not an unprimeable number, because it can be changed into a prime (306434017) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 46148 + ... + 52368.

It is an arithmetic number, because the mean of its divisors is an integer number (31358880).

Almost surely, 2^306434018 is an apocalyptic number.

306434018 is a deficient number, since it is larger than the sum of its proper divisors (195308062).

306434018 is a wasteful number, since it uses less digits than its factorization.

306434018 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8473.

The product of its (nonzero) digits is 6912, while the sum is 29.

The square root of 306434018 is about 17505.2568675812. The cubic root of 306434018 is about 674.1848545081.

The spelling of 306434018 in words is "three hundred six million, four hundred thirty-four thousand, eighteen".