306397968 has 40 divisors (see below), whose sum is σ = 803350368. Its totient is φ = 100607232.

The previous prime is 306397951. The next prime is 306397969. The reversal of 306397968 is 869793603.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 306397968.

It is not an unprimeable number, because it can be changed into a prime (306397969) 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, 44421 + ... + 50852.

Almost surely, 2^306397968 is an apocalyptic number.

It is an amenable number.

306397968 is an abundant number, since it is smaller than the sum of its proper divisors (496952400).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

306397968 is a wasteful number, since it uses less digits than its factorization.

306397968 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 95351 (or 95345 counting only the distinct ones).

The product of its (nonzero) digits is 1469664, while the sum is 51.

The square root of 306397968 is about 17504.2271466066. The cubic root of 306397968 is about 674.1584156276.

The spelling of 306397968 in words is "three hundred six million, three hundred ninety-seven thousand, nine hundred sixty-eight".