684334 has 12 divisors (see below), whose sum is σ = 1194264. Its totient is φ = 293244.

The previous prime is 684329. The next prime is 684337. The reversal of 684334 is 433486.

684334 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (684337) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 3394 + ... + 3589.

It is an arithmetic number, because the mean of its divisors is an integer number (99522).

2⁶⁸⁴³³⁴ is an apocalyptic number.

684334 is a deficient number, since it is larger than the sum of its proper divisors (509930).

684334 is a wasteful number, since it uses less digits than its factorization.

684334 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6999 (or 6992 counting only the distinct ones).

The product of its digits is 6912, while the sum is 28.

The square root of 684334 is about 827.2448247043. The cubic root of 684334 is about 88.1230200920.

The spelling of 684334 in words is "six hundred eighty-four thousand, three hundred thirty-four".