683668347 has 8 divisors (see below), whose sum is σ = 912943680. Its totient is φ = 455085960.

The previous prime is 683668333. The next prime is 683668397. The reversal of 683668347 is 743866386.

It is a happy number.

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

It is not a de Polignac number, because 683668347 - 2⁴ = 683668331 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 683668347.

It is not an unprimeable number, because it can be changed into a prime (683668397) 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, 170929 + ... + 174882.

It is an arithmetic number, because the mean of its divisors is an integer number (114117960).

Almost surely, 2^683668347 is an apocalyptic number.

683668347 is a deficient number, since it is larger than the sum of its proper divisors (229275333).

683668347 is a wasteful number, since it uses less digits than its factorization.

683668347 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 346473.

The product of its digits is 3483648, while the sum is 51.

The square root of 683668347 is about 26147.0523577707. The cubic root of 683668347 is about 880.9443834569.

The spelling of 683668347 in words is "six hundred eighty-three million, six hundred sixty-eight thousand, three hundred forty-seven".