683587969 has 8 divisors (see below), whose sum is σ = 724045608. Its totient is φ = 643157760.

The previous prime is 683587951. The next prime is 683587973. The reversal of 683587969 is 969785386.

683587969 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 403527744 + 280060225 = 20088^2 + 16735^2 .

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 683587969 - 2⁵ = 683587937 is a prime.

It is a super-2 number, since 2×683587969² = 934585022723089922, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (683587979) 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, 67719 + ... + 77155.

It is an arithmetic number, because the mean of its divisors is an integer number (90505701).

Almost surely, 2^683587969 is an apocalyptic number.

It is an amenable number.

683587969 is a deficient number, since it is larger than the sum of its proper divisors (40457639).

683587969 is a wasteful number, since it uses less digits than its factorization.

683587969 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13715.

The product of its digits is 19595520, while the sum is 61.

The square root of 683587969 is about 26145.5152750907. The cubic root of 683587969 is about 880.9098582747.

The spelling of 683587969 in words is "six hundred eighty-three million, five hundred eighty-seven thousand, nine hundred sixty-nine".