685148 has 12 divisors (see below), whose sum is σ = 1207752. Its totient is φ = 340080.

The previous prime is 685141. The next prime is 685169. The reversal of 685148 is 841586.

685148 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (685141) by changing a digit.

685148 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, 83 + ... + 1173.

It is an arithmetic number, because the mean of its divisors is an integer number (100646).

2⁶⁸⁵¹⁴⁸ is an apocalyptic number.

It is an amenable number.

685148 is a deficient number, since it is larger than the sum of its proper divisors (522604).

685148 is a wasteful number, since it uses less digits than its factorization.

685148 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1252 (or 1250 counting only the distinct ones).

The product of its digits is 7680, while the sum is 32.

The square root of 685148 is about 827.7366731032. The cubic root of 685148 is about 88.1579463687.

The spelling of 685148 in words is "six hundred eighty-five thousand, one hundred forty-eight".