684967343 has 8 divisors (see below), whose sum is σ = 694627920. Its totient is φ = 675360000.

The previous prime is 684967319. The next prime is 684967357. The reversal of 684967343 is 343769486.

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 684967343 - 2²² = 680773039 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 684967291 and 684967300.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (684967303) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12968 + ... + 39218.

It is an arithmetic number, because the mean of its divisors is an integer number (86828490).

Almost surely, 2^684967343 is an apocalyptic number.

684967343 is a deficient number, since it is larger than the sum of its proper divisors (9660577).

684967343 is a wasteful number, since it uses less digits than its factorization.

684967343 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26617.

The product of its digits is 2612736, while the sum is 50.

The square root of 684967343 is about 26171.8807692531. The cubic root of 684967343 is about 881.5019731294.

The spelling of 684967343 in words is "six hundred eighty-four million, nine hundred sixty-seven thousand, three hundred forty-three".