685341296 has 40 divisors (see below), whose sum is σ = 1350694800. Its totient is φ = 336821760.

The previous prime is 685341287. The next prime is 685341299. The reversal of 685341296 is 692143586.

685341296 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 (685341299) 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, 256415 + ... + 259073.

It is an arithmetic number, because the mean of its divisors is an integer number (33767370).

Almost surely, 2^685341296 is an apocalyptic number.

It is an amenable number.

685341296 is a deficient number, since it is larger than the sum of its proper divisors (665353504).

685341296 is a wasteful number, since it uses less digits than its factorization.

685341296 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2937 (or 2931 counting only the distinct ones).

The product of its digits is 311040, while the sum is 44.

The square root of 685341296 is about 26179.0239695830. The cubic root of 685341296 is about 881.6623605019.

The spelling of 685341296 in words is "six hundred eighty-five million, three hundred forty-one thousand, two hundred ninety-six".