2106089 has 2 divisors, whose sum is σ = 2106090. Its totient is φ = 2106088.

The previous prime is 2106059. The next prime is 2106107. The reversal of 2106089 is 9806012.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1755625 + 350464 = 1325^2 + 592^2 .

It is a cyclic number.

It is not a de Polignac number, because 2106089 - 2⁸ = 2105833 is a prime.

It is a super-2 number, since 2×2106089² = 8871221751842, which contains 22 as substring.

It is a Sophie Germain prime.

It is a Chen prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (2106019) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1053044 + 1053045.

It is an arithmetic number, because the mean of its divisors is an integer number (1053045).

2^2106089 is an apocalyptic number.

It is an amenable number.

2106089 is a deficient number, since it is larger than the sum of its proper divisors (1).

2106089 is an equidigital number, since it uses as much as digits as its factorization.

2106089 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 864, while the sum is 26.

The square root of 2106089 is about 1451.2370585125. The cubic root of 2106089 is about 128.1815660600.

The spelling of 2106089 in words is "two million, one hundred six thousand, eighty-nine".