306966646 has 16 divisors (see below), whose sum is σ = 527214240. Its totient is φ = 131310720.

The previous prime is 306966643. The next prime is 306966659. The reversal of 306966646 is 646669603.

It is a junction number, because it is equal to n+sod(n) for n = 306966596 and 306966605.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (306966643) 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, 12691 + ... + 27838.

It is an arithmetic number, because the mean of its divisors is an integer number (32950890).

Almost surely, 2^306966646 is an apocalyptic number.

306966646 is a deficient number, since it is larger than the sum of its proper divisors (220247594).

306966646 is a wasteful number, since it uses less digits than its factorization.

306966646 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41079.

The product of its (nonzero) digits is 839808, while the sum is 46.

The square root of 306966646 is about 17520.4636354179. The cubic root of 306966646 is about 674.5752396696.

The spelling of 306966646 in words is "three hundred six million, nine hundred sixty-six thousand, six hundred forty-six".