306397248 has 28 divisors (see below), whose sum is σ = 810676560. Its totient is φ = 102132352.

The previous prime is 306397229. The next prime is 306397303. The reversal of 306397248 is 842793603.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 797718 + ... + 798101.

Almost surely, 2^306397248 is an apocalyptic number.

It is an amenable number.

306397248 is an abundant number, since it is smaller than the sum of its proper divisors (504279312).

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

306397248 is a wasteful number, since it uses less digits than its factorization.

306397248 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1595834 (or 1595824 counting only the distinct ones).

The product of its (nonzero) digits is 217728, while the sum is 42.

The square root of 306397248 is about 17504.2065801338. The cubic root of 306397248 is about 674.1578875622.

The spelling of 306397248 in words is "three hundred six million, three hundred ninety-seven thousand, two hundred forty-eight".