685196 has 6 divisors (see below), whose sum is σ = 1199100. Its totient is φ = 342596.

The previous prime is 685177. The next prime is 685199. The reversal of 685196 is 691586.

It is an Ulam number.

It is not an unprimeable number, because it can be changed into a prime (685199) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 85646 + ... + 85653.

It is an arithmetic number, because the mean of its divisors is an integer number (199850).

2⁶⁸⁵¹⁹⁶ is an apocalyptic number.

It is an amenable number.

685196 is a deficient number, since it is larger than the sum of its proper divisors (513904).

685196 is a wasteful number, since it uses less digits than its factorization.

685196 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 171303 (or 171301 counting only the distinct ones).

The product of its digits is 12960, while the sum is 35.

The square root of 685196 is about 827.7656673238. The cubic root of 685196 is about 88.1600050395.

It can be divided in two parts, 68519 and 6, that multiplied together give a palindrome (411114).

The spelling of 685196 in words is "six hundred eighty-five thousand, one hundred ninety-six".