307868 has 12 divisors (see below), whose sum is σ = 587832. Its totient is φ = 139920.

The previous prime is 307859. The next prime is 307871. The reversal of 307868 is 868703.

It is a congruent number.

It is an unprimeable number.

307868 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3455 + ... + 3542.

It is an arithmetic number, because the mean of its divisors is an integer number (48986).

2³⁰⁷⁸⁶⁸ is an apocalyptic number.

It is an amenable number.

307868 is a deficient number, since it is larger than the sum of its proper divisors (279964).

307868 is a wasteful number, since it uses less digits than its factorization.

307868 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7012 (or 7010 counting only the distinct ones).

The product of its (nonzero) digits is 8064, while the sum is 32.

The square root of 307868 is about 554.8585405308. The cubic root of 307868 is about 67.5234851978.

The spelling of 307868 in words is "three hundred seven thousand, eight hundred sixty-eight".