2097769 has 2 divisors, whose sum is σ = 2097770. Its totient is φ = 2097768.

The previous prime is 2097763. The next prime is 2097779. The reversal of 2097769 is 9677902.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1123600 + 974169 = 1060^2 + 987^2 .

It is a cyclic number.

It is not a de Polignac number, because 2097769 - 2⁹ = 2097257 is a prime.

It is a super-2 number, since 2×2097769² = 8801269554722, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (2097763) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1048884 + 1048885.

It is an arithmetic number, because the mean of its divisors is an integer number (1048885).

2^2097769 is an apocalyptic number.

It is an amenable number.

2097769 is a deficient number, since it is larger than the sum of its proper divisors (1).

2097769 is an equidigital number, since it uses as much as digits as its factorization.

2097769 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 47628, while the sum is 40.

The square root of 2097769 is about 1448.3677019321. The cubic root of 2097769 is about 128.0125516663.

The spelling of 2097769 in words is "two million, ninety-seven thousand, seven hundred sixty-nine".