689371238 has 8 divisors (see below), whose sum is σ = 1069714080. Its totient is φ = 332799880.

The previous prime is 689371237. The next prime is 689371283. The reversal of 689371238 is 832173986.

689371238 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 junction number, because it is equal to n+sod(n) for n = 689371192 and 689371201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (689371237) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5942798 + ... + 5942913.

It is an arithmetic number, because the mean of its divisors is an integer number (133714260).

Almost surely, 2^689371238 is an apocalyptic number.

689371238 is a deficient number, since it is larger than the sum of its proper divisors (380342842).

689371238 is a wasteful number, since it uses less digits than its factorization.

689371238 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11885742.

The product of its digits is 435456, while the sum is 47.

The square root of 689371238 is about 26255.8800652349. The cubic root of 689371238 is about 883.3871004968.

The spelling of 689371238 in words is "six hundred eighty-nine million, three hundred seventy-one thousand, two hundred thirty-eight".