685334 has 16 divisors (see below), whose sum is σ = 1134672. Its totient is φ = 308448.

The previous prime is 685319. The next prime is 685337. The reversal of 685334 is 433586.

685334 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 685297 and 685306.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (685337) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 812 + ... + 1424.

It is an arithmetic number, because the mean of its divisors is an integer number (70917).

2⁶⁸⁵³³⁴ is an apocalyptic number.

685334 is a deficient number, since it is larger than the sum of its proper divisors (449338).

685334 is a wasteful number, since it uses less digits than its factorization.

685334 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 671.

The product of its digits is 8640, while the sum is 29.

The square root of 685334 is about 827.8490200514. The cubic root of 685334 is about 88.1659231827.

The spelling of 685334 in words is "six hundred eighty-five thousand, three hundred thirty-four".