678104 has 16 divisors (see below), whose sum is σ = 1453200. Its totient is φ = 290592.

The previous prime is 678103. The next prime is 678133. The reversal of 678104 is 401876.

It is a Smith number, since the sum of its digits (26) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 678104.

It is not an unprimeable number, because it can be changed into a prime (678101) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5999 + ... + 6110.

It is an arithmetic number, because the mean of its divisors is an integer number (90825).

2⁶⁷⁸¹⁰⁴ is an apocalyptic number.

It is an amenable number.

678104 is an abundant number, since it is smaller than the sum of its proper divisors (775096).

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

678104 is a wasteful number, since it uses less digits than its factorization.

678104 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12122 (or 12118 counting only the distinct ones).

The product of its (nonzero) digits is 1344, while the sum is 26.

The square root of 678104 is about 823.4707037898. The cubic root of 678104 is about 87.8547880606.

The spelling of 678104 in words is "six hundred seventy-eight thousand, one hundred four".