685029 has 8 divisors (see below), whose sum is σ = 917280. Its totient is φ = 454736.

The previous prime is 685019. The next prime is 685031. The reversal of 685029 is 920586.

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

It is a cyclic number.

It is not a de Polignac number, because 685029 - 2⁸ = 684773 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 684987 and 685005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (685019) 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, 874 + ... + 1460.

It is an arithmetic number, because the mean of its divisors is an integer number (114660).

2⁶⁸⁵⁰²⁹ is an apocalyptic number.

It is an amenable number.

685029 is a deficient number, since it is larger than the sum of its proper divisors (232251).

685029 is a wasteful number, since it uses less digits than its factorization.

685029 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 979.

The product of its (nonzero) digits is 4320, while the sum is 30.

The square root of 685029 is about 827.6647872176. The cubic root of 685029 is about 88.1528421659.

The spelling of 685029 in words is "six hundred eighty-five thousand, twenty-nine".