306394868 has 48 divisors (see below), whose sum is σ = 605611776. Its totient is φ = 134576640.

The previous prime is 306394861. The next prime is 306394873. The reversal of 306394868 is 868493603.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (306394861) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 287705 + ... + 288767.

It is an arithmetic number, because the mean of its divisors is an integer number (12616912).

Almost surely, 2^306394868 is an apocalyptic number.

It is an amenable number.

306394868 is a deficient number, since it is larger than the sum of its proper divisors (299216908).

306394868 is a wasteful number, since it uses less digits than its factorization.

306394868 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1344 (or 1342 counting only the distinct ones).

The product of its (nonzero) digits is 746496, while the sum is 47.

The square root of 306394868 is about 17504.1385963434. The cubic root of 306394868 is about 674.1561420070.

The spelling of 306394868 in words is "three hundred six million, three hundred ninety-four thousand, eight hundred sixty-eight".