685007 has 8 divisors (see below), whose sum is σ = 744960. Its totient is φ = 627480.

The previous prime is 685001. The next prime is 685019. The reversal of 685007 is 700586.

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 685007 - 2⁸ = 684751 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (685001) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8 + ... + 1170.

It is an arithmetic number, because the mean of its divisors is an integer number (93120).

2⁶⁸⁵⁰⁰⁷ is an apocalyptic number.

685007 is a deficient number, since it is larger than the sum of its proper divisors (59953).

685007 is a wasteful number, since it uses less digits than its factorization.

685007 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1213.

The product of its (nonzero) digits is 1680, while the sum is 26.

The square root of 685007 is about 827.6514967062. The cubic root of 685007 is about 88.1518984670.

The spelling of 685007 in words is "six hundred eighty-five thousand, seven".