678308 has 12 divisors (see below), whose sum is σ = 1205232. Its totient is φ = 333960.

The previous prime is 678299. The next prime is 678329. The reversal of 678308 is 803876.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 998 + ... + 1533.

It is an arithmetic number, because the mean of its divisors is an integer number (100436).

2⁶⁷⁸³⁰⁸ is an apocalyptic number.

It is an amenable number.

678308 is a deficient number, since it is larger than the sum of its proper divisors (526924).

678308 is a wasteful number, since it uses less digits than its factorization.

678308 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2602 (or 2600 counting only the distinct ones).

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

The square root of 678308 is about 823.5945604483. The cubic root of 678308 is about 87.8635972206.

The spelling of 678308 in words is "six hundred seventy-eight thousand, three hundred eight".