678696 has 16 divisors (see below), whose sum is σ = 1696800. Its totient is φ = 226224.

The previous prime is 678659. The next prime is 678719. The reversal of 678696 is 696876.

It is a happy number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 678696.

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, 14116 + ... + 14163.

It is an arithmetic number, because the mean of its divisors is an integer number (106050).

2⁶⁷⁸⁶⁹⁶ is an apocalyptic number.

It is an amenable number.

678696 is an abundant number, since it is smaller than the sum of its proper divisors (1018104).

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

678696 is a wasteful number, since it uses less digits than its factorization.

678696 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28288 (or 28284 counting only the distinct ones).

The product of its digits is 108864, while the sum is 42.

The square root of 678696 is about 823.8300795674. The cubic root of 678696 is about 87.8803470243.

The spelling of 678696 in words is "six hundred seventy-eight thousand, six hundred ninety-six".