689190207 has 8 divisors (see below), whose sum is σ = 932635776. Its totient is φ = 452602392.

The previous prime is 689190181. The next prime is 689190289. The reversal of 689190207 is 702091986.

689190207 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 not a de Polignac number, because 689190207 - 2⁶ = 689190143 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (689191207) 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, 1714203 + ... + 1714604.

It is an arithmetic number, because the mean of its divisors is an integer number (116579472).

Almost surely, 2^689190207 is an apocalyptic number.

689190207 is a gapful number since it is divisible by the number (67) formed by its first and last digit.

689190207 is a deficient number, since it is larger than the sum of its proper divisors (243445569).

689190207 is a wasteful number, since it uses less digits than its factorization.

689190207 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3428877.

The product of its (nonzero) digits is 54432, while the sum is 42.

The square root of 689190207 is about 26252.4324015890. The cubic root of 689190207 is about 883.3097670071.

The spelling of 689190207 in words is "six hundred eighty-nine million, one hundred ninety thousand, two hundred seven".