306990118 has 16 divisors (see below), whose sum is σ = 466436880. Its totient is φ = 151524000.

The previous prime is 306990109. The next prime is 306990119. The reversal of 306990118 is 811099603.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (306990119) 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 7 ways as a sum of consecutive naturals, for example, 47268 + ... + 53368.

It is an arithmetic number, because the mean of its divisors is an integer number (29152305).

Almost surely, 2^306990118 is an apocalyptic number.

306990118 is a deficient number, since it is larger than the sum of its proper divisors (159446762).

306990118 is a wasteful number, since it uses less digits than its factorization.

306990118 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6423.

The product of its (nonzero) digits is 11664, while the sum is 37.

The square root of 306990118 is about 17521.1334679010. The cubic root of 306990118 is about 674.5924328801.

The spelling of 306990118 in words is "three hundred six million, nine hundred ninety thousand, one hundred eighteen".