685508596 has 12 divisors (see below), whose sum is σ = 1214825920. Its totient is φ = 338415480.

The previous prime is 685508591. The next prime is 685508647. The reversal of 685508596 is 695805586.

It is a happy number.

685508596 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (685508591) 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, 1084350 + ... + 1084981.

Almost surely, 2^685508596 is an apocalyptic number.

It is an amenable number.

685508596 is a deficient number, since it is larger than the sum of its proper divisors (529317324).

685508596 is a wasteful number, since it uses less digits than its factorization.

685508596 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2169414 (or 2169412 counting only the distinct ones).

The product of its (nonzero) digits is 2592000, while the sum is 52.

The square root of 685508596 is about 26182.2190808953. The cubic root of 685508596 is about 881.7340961044.

The spelling of 685508596 in words is "six hundred eighty-five million, five hundred eight thousand, five hundred ninety-six".