306998212 has 6 divisors (see below), whose sum is σ = 537246878. Its totient is φ = 153499104.

The previous prime is 306998203. The next prime is 306998233. The reversal of 306998212 is 212899603.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 283046976 + 23951236 = 16824^2 + 4894^2 .

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, 38374773 + ... + 38374780.

Almost surely, 2^306998212 is an apocalyptic number.

It is an amenable number.

306998212 is a deficient number, since it is larger than the sum of its proper divisors (230248666).

306998212 is a wasteful number, since it uses less digits than its factorization.

306998212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 76749557 (or 76749555 counting only the distinct ones).

The product of its (nonzero) digits is 46656, while the sum is 40.

The square root of 306998212 is about 17521.3644445859. The cubic root of 306998212 is about 674.5983615217.

It can be divided in two parts, 3069 and 98212, that multiplied together give a triangular number (301412628 = T₂₄₅₅₂).

The spelling of 306998212 in words is "three hundred six million, nine hundred ninety-eight thousand, two hundred twelve".