2189599 has 2 divisors, whose sum is σ = 2189600. Its totient is φ = 2189598.

The previous prime is 2189573. The next prime is 2189609. The reversal of 2189599 is 9959812.

2189599 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2189599 - 2¹⁹ = 1665311 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2189399) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1094799 + 1094800.

It is an arithmetic number, because the mean of its divisors is an integer number (1094800).

2^2189599 is an apocalyptic number.

2189599 is a deficient number, since it is larger than the sum of its proper divisors (1).

2189599 is an equidigital number, since it uses as much as digits as its factorization.

2189599 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 58320, while the sum is 43.

The square root of 2189599 is about 1479.7293671479. The cubic root of 2189599 is about 129.8538594451.

The spelling of 2189599 in words is "two million, one hundred eighty-nine thousand, five hundred ninety-nine".