2168893 has 2 divisors, whose sum is σ = 2168894. Its totient is φ = 2168892.

The previous prime is 2168879. The next prime is 2168917. The reversal of 2168893 is 3988612.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1172889 + 996004 = 1083^2 + 998^2 .

It is a cyclic number.

It is not a de Polignac number, because 2168893 - 2⁵ = 2168861 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2168863) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1084446 + 1084447.

It is an arithmetic number, because the mean of its divisors is an integer number (1084447).

2^2168893 is an apocalyptic number.

It is an amenable number.

2168893 is a deficient number, since it is larger than the sum of its proper divisors (1).

2168893 is an equidigital number, since it uses as much as digits as its factorization.

2168893 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 20736, while the sum is 37.

The square root of 2168893 is about 1472.7161980504. The cubic root of 2168893 is about 129.4432402332.

The spelling of 2168893 in words is "two million, one hundred sixty-eight thousand, eight hundred ninety-three".