685482 has 32 divisors (see below), whose sum is σ = 1651200. Its totient is φ = 185328.

The previous prime is 685471. The next prime is 685493. The reversal of 685482 is 284586.

It is an interprime number because it is at equal distance from previous prime (685471) and next prime (685493).

It is a nialpdrome in base 7.

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 15 ways as a sum of consecutive naturals, for example, 369 + ... + 1227.

It is an arithmetic number, because the mean of its divisors is an integer number (51600).

2⁶⁸⁵⁴⁸² is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 685482, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (825600).

685482 is an abundant number, since it is smaller than the sum of its proper divisors (965718).

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

685482 is a wasteful number, since it uses less digits than its factorization.

685482 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 890.

The product of its digits is 15360, while the sum is 33.

The square root of 685482 is about 827.9384035060. The cubic root of 685482 is about 88.1722692939.

The spelling of 685482 in words is "six hundred eighty-five thousand, four hundred eighty-two".