685034 has 16 divisors (see below), whose sum is σ = 1185408. Its totient is φ = 290832.

The previous prime is 685031. The next prime is 685039. The reversal of 685034 is 430586.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 684994 and 685012.

It is not an unprimeable number, because it can be changed into a prime (685031) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2192 + ... + 2484.

It is an arithmetic number, because the mean of its divisors is an integer number (74088).

2⁶⁸⁵⁰³⁴ is an apocalyptic number.

685034 is a deficient number, since it is larger than the sum of its proper divisors (500374).

685034 is a wasteful number, since it uses less digits than its factorization.

685034 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 469.

The product of its (nonzero) digits is 2880, while the sum is 26.

The square root of 685034 is about 827.6678077586. The cubic root of 685034 is about 88.1530566401.

The spelling of 685034 in words is "six hundred eighty-five thousand, thirty-four".