683678 has 4 divisors (see below), whose sum is σ = 1025520. Its totient is φ = 341838.

The previous prime is 683653. The next prime is 683681. The reversal of 683678 is 876386.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is an unprimeable number.

683678 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 as a sum of consecutive naturals, namely, 170918 + ... + 170921.

It is an arithmetic number, because the mean of its divisors is an integer number (256380).

2⁶⁸³⁶⁷⁸ is an apocalyptic number.

683678 is a deficient number, since it is larger than the sum of its proper divisors (341842).

683678 is a wasteful number, since it uses less digits than its factorization.

683678 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 341841.

The product of its digits is 48384, while the sum is 38.

The square root of 683678 is about 826.8482327489. The cubic root of 683678 is about 88.0948529578.

The spelling of 683678 in words is "six hundred eighty-three thousand, six hundred seventy-eight".