685468 has 12 divisors (see below), whose sum is σ = 1370992. Its totient is φ = 293760.

The previous prime is 685459. The next prime is 685471. The reversal of 685468 is 864586.

685468 is an admirable number.

It is a nialpdrome in base 7.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12213 + ... + 12268.

2⁶⁸⁵⁴⁶⁸ is an apocalyptic number.

It is an amenable number.

685468 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

685468 is a wasteful number, since it uses less digits than its factorization.

685468 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24492 (or 24490 counting only the distinct ones).

The product of its digits is 46080, while the sum is 37.

The square root of 685468 is about 827.9299487275. The cubic root of 685468 is about 88.1716690252.

The spelling of 685468 in words is "six hundred eighty-five thousand, four hundred sixty-eight".