685296 has 30 divisors (see below), whose sum is σ = 1918280. Its totient is φ = 228384.

The previous prime is 685271. The next prime is 685297. The reversal of 685296 is 692586.

685296 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 (36).

It is a self number, because there is not a number n which added to its sum of digits gives 685296.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (685297) by changing a digit.

685296 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 5 ways as a sum of consecutive naturals, for example, 2236 + ... + 2523.

2⁶⁸⁵²⁹⁶ is an apocalyptic number.

It is an amenable number.

685296 is an abundant number, since it is smaller than the sum of its proper divisors (1232984).

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

685296 is a wasteful number, since it uses less digits than its factorization.

685296 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4773 (or 4764 counting only the distinct ones).

The product of its digits is 25920, while the sum is 36.

The square root of 685296 is about 827.8260686883. The cubic root of 685296 is about 88.1642936283.

The spelling of 685296 in words is "six hundred eighty-five thousand, two hundred ninety-six".