306666630 has 48 divisors (see below), whose sum is σ = 799778304. Its totient is φ = 81527040.

The previous prime is 306666611. The next prime is 306666637. The reversal of 306666630 is 36666603.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (306666637) 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 23 ways as a sum of consecutive naturals, for example, 25275 + ... + 35385.

It is an arithmetic number, because the mean of its divisors is an integer number (16662048).

Almost surely, 2^306666630 is an apocalyptic number.

306666630 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

306666630 is an abundant number, since it is smaller than the sum of its proper divisors (493111674).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

306666630 is a wasteful number, since it uses less digits than its factorization.

306666630 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10461 (or 10458 counting only the distinct ones).

The product of its (nonzero) digits is 69984, while the sum is 36.

The square root of 306666630 is about 17511.8996685111. The cubic root of 306666630 is about 674.3554010898.

It can be divided in two parts, 3066 and 66630, that added together give a palindrome (69696).

The spelling of 306666630 in words is "three hundred six million, six hundred sixty-six thousand, six hundred thirty".