306863212 has 6 divisors (see below), whose sum is σ = 537010628. Its totient is φ = 153431604.

The previous prime is 306863191. The next prime is 306863261. The reversal of 306863212 is 212368603.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 38357898 + ... + 38357905.

Almost surely, 2^306863212 is an apocalyptic number.

It is an amenable number.

306863212 is a deficient number, since it is larger than the sum of its proper divisors (230147416).

306863212 is a wasteful number, since it uses less digits than its factorization.

306863212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 76715807 (or 76715805 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 31.

The square root of 306863212 is about 17517.5115812720. The cubic root of 306863212 is about 674.4994639520.

The spelling of 306863212 in words is "three hundred six million, eight hundred sixty-three thousand, two hundred twelve".