2168797 has 2 divisors, whose sum is σ = 2168798. Its totient is φ = 2168796.

The previous prime is 2168753. The next prime is 2168801. The reversal of 2168797 is 7978612.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2013561 + 155236 = 1419^2 + 394^2 .

It is a cyclic number.

It is not a de Polignac number, because 2168797 - 2⁷ = 2168669 is a prime.

It is a Chen prime.

It is a nialpdrome in base 12.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2168737) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1084398 + 1084399.

It is an arithmetic number, because the mean of its divisors is an integer number (1084399).

2^2168797 is an apocalyptic number.

It is an amenable number.

2168797 is a deficient number, since it is larger than the sum of its proper divisors (1).

2168797 is an equidigital number, since it uses as much as digits as its factorization.

2168797 is an evil number, because the sum of its binary digits is even.

The product of its digits is 42336, while the sum is 40.

The square root of 2168797 is about 1472.6836048520. The cubic root of 2168797 is about 129.4413303904.

It can be divided in two parts, 216879 and 7, that multiplied together give a triangular number (1518153 = T₁₇₄₂).

The spelling of 2168797 in words is "two million, one hundred sixty-eight thousand, seven hundred ninety-seven".