2040769 has 2 divisors, whose sum is σ = 2040770. Its totient is φ = 2040768.

The previous prime is 2040749. The next prime is 2040781. The reversal of 2040769 is 9670402.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1656369 + 384400 = 1287^2 + 620^2 .

It is a cyclic number.

It is not a de Polignac number, because 2040769 - 2⁷ = 2040641 is a prime.

It is a super-2 number, since 2×2040769² = 8329476222722, which contains 22 as substring.

2040769 is a lucky number.

It is not a weakly prime, because it can be changed into another prime (2040719) 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, 1020384 + 1020385.

It is an arithmetic number, because the mean of its divisors is an integer number (1020385).

2^2040769 is an apocalyptic number.

It is an amenable number.

2040769 is a deficient number, since it is larger than the sum of its proper divisors (1).

2040769 is an equidigital number, since it uses as much as digits as its factorization.

2040769 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3024, while the sum is 28.

The square root of 2040769 is about 1428.5548641897. The cubic root of 2040769 is about 126.8424483131.

It can be divided in two parts, 2040 and 769, that added together give a square (2809 = 53²).

The spelling of 2040769 in words is "two million, forty thousand, seven hundred sixty-nine".