685348 has 12 divisors (see below), whose sum is σ = 1238272. Its totient is φ = 331560.

The previous prime is 685339. The next prime is 685361. The reversal of 685348 is 843586.

It is a super-2 number, since 2×685348² = 939403762208, which contains 22 as substring.

It is a d-powerful number, because it can be written as 6⁵ + 8⁴ + 3⁹ + 5⁸ + 4⁵ + 8⁶ .

It is an unprimeable number.

685348 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 in 3 ways as a sum of consecutive naturals, for example, 2640 + ... + 2887.

2⁶⁸⁵³⁴⁸ is an apocalyptic number.

It is an amenable number.

685348 is a deficient number, since it is larger than the sum of its proper divisors (552924).

685348 is a wasteful number, since it uses less digits than its factorization.

685348 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5562 (or 5560 counting only the distinct ones).

The product of its digits is 23040, while the sum is 34.

The square root of 685348 is about 827.8574756563. The cubic root of 685348 is about 88.1665235296.

The spelling of 685348 in words is "six hundred eighty-five thousand, three hundred forty-eight".