306669668 has 24 divisors (see below), whose sum is σ = 551642784. Its totient is φ = 149083200.

The previous prime is 306669659. The next prime is 306669697. The reversal of 306669668 is 866966603.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 47303 + ... + 53393.

It is an arithmetic number, because the mean of its divisors is an integer number (22985116).

Almost surely, 2^306669668 is an apocalyptic number.

It is an amenable number.

306669668 is a deficient number, since it is larger than the sum of its proper divisors (244973116).

306669668 is a wasteful number, since it uses less digits than its factorization.

306669668 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6443 (or 6441 counting only the distinct ones).

The product of its (nonzero) digits is 1679616, while the sum is 50.

The square root of 306669668 is about 17511.9864093141. The cubic root of 306669668 is about 674.3576279215.

The spelling of 306669668 in words is "three hundred six million, six hundred sixty-nine thousand, six hundred sixty-eight".