685102 has 24 divisors (see below), whose sum is σ = 1197000. Its totient is φ = 293040.

The previous prime is 685099. The next prime is 685103. The reversal of 685102 is 201586.

It is a happy number.

685102 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (685103) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4524 + ... + 4672.

It is an arithmetic number, because the mean of its divisors is an integer number (49875).

2⁶⁸⁵¹⁰² is an apocalyptic number.

685102 is a deficient number, since it is larger than the sum of its proper divisors (511898).

685102 is a wasteful number, since it uses less digits than its factorization.

685102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 192 (or 181 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 22.

The square root of 685102 is about 827.7088860221. The cubic root of 685102 is about 88.1559733856.

Adding to 685102 its reverse (201586), we get a palindrome (886688).

It can be divided in two parts, 685 and 102, that added together give a palindrome (787).

The spelling of 685102 in words is "six hundred eighty-five thousand, one hundred two".