2089589658 has 64 divisors (see below), whose sum is σ = 4705075200. Its totient is φ = 614278080.

The previous prime is 2089589603. The next prime is 2089589659. The reversal of 2089589658 is 8569859802.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (2089589659) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 185553 + ... + 196491.

It is an arithmetic number, because the mean of its divisors is an integer number (73516800).

Almost surely, 2^2089589658 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2089589658, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2352537600).

2089589658 is an abundant number, since it is smaller than the sum of its proper divisors (2615485542).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2089589658 is a wasteful number, since it uses less digits than its factorization.

2089589658 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11067.

The product of its (nonzero) digits is 12441600, while the sum is 60.

The square root of 2089589658 is about 45712.0296858497. The cubic root of 2089589658 is about 1278.4595845126.

The spelling of 2089589658 in words is "two billion, eighty-nine million, five hundred eighty-nine thousand, six hundred fifty-eight".