689634113 has 8 divisors (see below), whose sum is σ = 788735040. Its totient is φ = 590678640.

The previous prime is 689634041. The next prime is 689634119. The reversal of 689634113 is 311436986.

689634113 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 689634113 - 2¹⁰ = 689633089 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (689634119) 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, 26003 + ... + 45336.

It is an arithmetic number, because the mean of its divisors is an integer number (98591880).

Almost surely, 2^689634113 is an apocalyptic number.

It is an amenable number.

689634113 is a deficient number, since it is larger than the sum of its proper divisors (99100927).

689634113 is a wasteful number, since it uses less digits than its factorization.

689634113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 72727.

The product of its digits is 93312, while the sum is 41.

The square root of 689634113 is about 26260.8856095905. The cubic root of 689634113 is about 883.4993723084.

The spelling of 689634113 in words is "six hundred eighty-nine million, six hundred thirty-four thousand, one hundred thirteen".