2818369 has 2 divisors, whose sum is σ = 2818370. Its totient is φ = 2818368.

The previous prime is 2818357. The next prime is 2818391. The reversal of 2818369 is 9638182.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2073600 + 744769 = 1440^2 + 863^2 .

It is a cyclic number.

It is not a de Polignac number, because 2818369 - 2⁵ = 2818337 is a prime.

It is a super-2 number, since 2×2818369² = 15886407640322, which contains 22 as substring.

2818369 is a lucky number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2818399) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1409184 + 1409185.

It is an arithmetic number, because the mean of its divisors is an integer number (1409185).

2^2818369 is an apocalyptic number.

It is an amenable number.

2818369 is a deficient number, since it is larger than the sum of its proper divisors (1).

2818369 is an equidigital number, since it uses as much as digits as its factorization.

2818369 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 2818369 is about 1678.7998689540. The cubic root of 2818369 is about 141.2535217228.

The spelling of 2818369 in words is "two million, eight hundred eighteen thousand, three hundred sixty-nine".