684134 has 16 divisors (see below), whose sum is σ = 1133136. Its totient is φ = 309760.

The previous prime is 684127. The next prime is 684157. The reversal of 684134 is 431486.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2534 + ... + 2790.

It is an arithmetic number, because the mean of its divisors is an integer number (70821).

2⁶⁸⁴¹³⁴ is an apocalyptic number.

684134 is a deficient number, since it is larger than the sum of its proper divisors (449002).

684134 is a wasteful number, since it uses less digits than its factorization.

684134 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 292 (or 270 counting only the distinct ones).

The product of its digits is 2304, while the sum is 26.

The square root of 684134 is about 827.1239326727. The cubic root of 684134 is about 88.1144344592.

It can be divided in two parts, 684 and 134, that added together give a palindrome (818).

The spelling of 684134 in words is "six hundred eighty-four thousand, one hundred thirty-four".