685132 has 12 divisors (see below), whose sum is σ = 1370320. Its totient is φ = 293616.

The previous prime is 685123. The next prime is 685141. The reversal of 685132 is 231586.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (685123) and next prime (685141).

685132 is an admirable number.

It is a junction number, because it is equal to n+sod(n) for n = 685097 and 685106.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12207 + ... + 12262.

2⁶⁸⁵¹³² is an apocalyptic number.

It is an amenable number.

685132 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.

685132 is a wasteful number, since it uses less digits than its factorization.

685132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24480 (or 24478 counting only the distinct ones).

The product of its digits is 1440, while the sum is 25.

The square root of 685132 is about 827.7270081373. The cubic root of 685132 is about 88.1572601237.

It can be divided in two parts, 68513 and 2, that multiplied together give a triangular number (137026 = T₅₂₃).

The spelling of 685132 in words is "six hundred eighty-five thousand, one hundred thirty-two".