685234 has 8 divisors (see below), whose sum is σ = 1121328. Its totient is φ = 311460.

The previous prime is 685231. The next prime is 685247. The reversal of 685234 is 432586.

685234 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (685231) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15552 + ... + 15595.

It is an arithmetic number, because the mean of its divisors is an integer number (140166).

2⁶⁸⁵²³⁴ is an apocalyptic number.

685234 is a deficient number, since it is larger than the sum of its proper divisors (436094).

685234 is a wasteful number, since it uses less digits than its factorization.

685234 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31160.

The product of its digits is 5760, while the sum is 28.

The square root of 685234 is about 827.7886203615. The cubic root of 685234 is about 88.1616347524.

It can be divided in two parts, 6852 and 34, that added together give a palindrome (6886).

The spelling of 685234 in words is "six hundred eighty-five thousand, two hundred thirty-four".