306390118 has 16 divisors (see below), whose sum is σ = 472695984. Its totient is φ = 148836960.

The previous prime is 306390059. The next prime is 306390137. The reversal of 306390118 is 811093603.

It is a self number, because there is not a number n which added to its sum of digits gives 306390118.

It is a congruent number.

It is an unprimeable number.

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, 55608 + ... + 60868.

It is an arithmetic number, because the mean of its divisors is an integer number (29543499).

Almost surely, 2^306390118 is an apocalyptic number.

306390118 is a deficient number, since it is larger than the sum of its proper divisors (166305866).

306390118 is a wasteful number, since it uses less digits than its factorization.

306390118 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6087.

The product of its (nonzero) digits is 3888, while the sum is 31.

The square root of 306390118 is about 17504.0029136195. The cubic root of 306390118 is about 674.1526582039.

The spelling of 306390118 in words is "three hundred six million, three hundred ninety thousand, one hundred eighteen".