689873103 has 24 divisors (see below), whose sum is σ = 1025401728. Its totient is φ = 446617152.

The previous prime is 689873089. The next prime is 689873111. The reversal of 689873103 is 301378986.

It is a happy number.

689873103 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 689873103 - 2¹⁸ = 689610959 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (689873113) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 200425 + ... + 203837.

It is an arithmetic number, because the mean of its divisors is an integer number (42725072).

Almost surely, 2^689873103 is an apocalyptic number.

689873103 is a deficient number, since it is larger than the sum of its proper divisors (335528625).

689873103 is a wasteful number, since it uses less digits than its factorization.

689873103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4063 (or 4060 counting only the distinct ones).

The product of its (nonzero) digits is 217728, while the sum is 45.

The square root of 689873103 is about 26265.4355189477. The cubic root of 689873103 is about 883.6014182701.

The spelling of 689873103 in words is "six hundred eighty-nine million, eight hundred seventy-three thousand, one hundred three".