685340096 has 28 divisors (see below), whose sum is σ = 1554254448. Its totient is φ = 293716992.

The previous prime is 685340083. The next prime is 685340099. The reversal of 685340096 is 690043586.

It is a tau number, because it is divible by the number of its divisors (28).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (685340099) 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, 764441 + ... + 765336.

Almost surely, 2^685340096 is an apocalyptic number.

It is an amenable number.

685340096 is an abundant number, since it is smaller than the sum of its proper divisors (868914352).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

685340096 is a wasteful number, since it uses less digits than its factorization.

685340096 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1529796 (or 1529786 counting only the distinct ones).

The product of its (nonzero) digits is 155520, while the sum is 41.

The square root of 685340096 is about 26179.0010504603. The cubic root of 685340096 is about 881.6618459187.

The spelling of 685340096 in words is "six hundred eighty-five million, three hundred forty thousand, ninety-six".