306220996 has 6 divisors (see below), whose sum is σ = 535886750. Its totient is φ = 153110496.

The previous prime is 306220987. The next prime is 306221023. The reversal of 306220996 is 699022603.

It can be written as a sum of positive squares in only one way, i.e., 214329600 + 91891396 = 14640^2 + 9586^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 38277621 + ... + 38277628.

Almost surely, 2^306220996 is an apocalyptic number.

It is an amenable number.

306220996 is a deficient number, since it is larger than the sum of its proper divisors (229665754).

306220996 is a wasteful number, since it uses less digits than its factorization.

306220996 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 76555253 (or 76555251 counting only the distinct ones).

The product of its (nonzero) digits is 34992, while the sum is 37.

The square root of 306220996 is about 17499.1712946642. The cubic root of 306220996 is about 674.0285952054.

The spelling of 306220996 in words is "three hundred six million, two hundred twenty thousand, nine hundred ninety-six".