2089489 has 2 divisors, whose sum is σ = 2089490. Its totient is φ = 2089488.

The previous prime is 2089457. The next prime is 2089511. The reversal of 2089489 is 9849802.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1481089 + 608400 = 1217^2 + 780^2 .

It is a cyclic number.

It is not a de Polignac number, because 2089489 - 2⁵ = 2089457 is a prime.

It is a super-2 number, since 2×2089489² = 8731928562242, which contains 22 as substring.

It is a Chen prime.

2089489 is a lucky number.

It is not a weakly prime, because it can be changed into another prime (2089889) 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, 1044744 + 1044745.

It is an arithmetic number, because the mean of its divisors is an integer number (1044745).

2^2089489 is an apocalyptic number.

It is an amenable number.

2089489 is a deficient number, since it is larger than the sum of its proper divisors (1).

2089489 is an equidigital number, since it uses as much as digits as its factorization.

2089489 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 41472, while the sum is 40.

The square root of 2089489 is about 1445.5064856306. The cubic root of 2089489 is about 127.8439055881.

The spelling of 2089489 in words is "two million, eighty-nine thousand, four hundred eighty-nine".