2089791000 has 576 divisors, whose sum is σ = 8253554400. Its totient is φ = 475200000.

The previous prime is 2089790987. The next prime is 2089791001. The reversal of 2089791000 is 1979802.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2089791001) 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 143 ways as a sum of consecutive naturals, for example, 20690950 + ... + 20691050.

Almost surely, 2^2089791000 is an apocalyptic number.

2089791000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2089791000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4126777200).

2089791000 is an abundant number, since it is smaller than the sum of its proper divisors (6163763400).

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

2089791000 is a wasteful number, since it uses less digits than its factorization.

2089791000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 169 (or 141 counting only the distinct ones).

The product of its (nonzero) digits is 9072, while the sum is 36.

The square root of 2089791000 is about 45714.2319196112. The cubic root of 2089791000 is about 1278.5006451010.

The spelling of 2089791000 in words is "two billion, eighty-nine million, seven hundred ninety-one thousand".