689376189 has 8 divisors (see below), whose sum is σ = 934236832. Its totient is φ = 452049840.

The previous prime is 689376161. The next prime is 689376227. The reversal of 689376189 is 981673986.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 689376189 - 2⁹ = 689375677 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 (689376089) 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, 1883359 + ... + 1883724.

It is an arithmetic number, because the mean of its divisors is an integer number (116779604).

Almost surely, 2^689376189 is an apocalyptic number.

It is an amenable number.

689376189 is a deficient number, since it is larger than the sum of its proper divisors (244860643).

689376189 is a wasteful number, since it uses less digits than its factorization.

689376189 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3767147.

The product of its digits is 3919104, while the sum is 57.

The square root of 689376189 is about 26255.9743487078. The cubic root of 689376189 is about 883.3892152931.

The spelling of 689376189 in words is "six hundred eighty-nine million, three hundred seventy-six thousand, one hundred eighty-nine".