689934607 has 8 divisors (see below), whose sum is σ = 699967184. Its totient is φ = 679917888.

The previous prime is 689934589. The next prime is 689934649. The reversal of 689934607 is 706439986.

689934607 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 a de Polignac number, because none of the positive numbers 2^k-689934607 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (689934107) 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, 105073 + ... + 111445.

It is an arithmetic number, because the mean of its divisors is an integer number (87495898).

Almost surely, 2^689934607 is an apocalyptic number.

689934607 is a deficient number, since it is larger than the sum of its proper divisors (10032577).

689934607 is a wasteful number, since it uses less digits than its factorization.

689934607 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7929.

The product of its (nonzero) digits is 1959552, while the sum is 52.

The square root of 689934607 is about 26266.6063091523. The cubic root of 689934607 is about 883.6276759526.

The spelling of 689934607 in words is "six hundred eighty-nine million, nine hundred thirty-four thousand, six hundred seven".