2668469 has 2 divisors, whose sum is σ = 2668470. Its totient is φ = 2668468.

The previous prime is 2668459. The next prime is 2668553. The reversal of 2668469 is 9648662.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2067844 + 600625 = 1438^2 + 775^2 .

It is a cyclic number.

It is not a de Polignac number, because 2668469 - 2⁴ = 2668453 is a prime.

It is a super-2 number, since 2×2668469² = 14241453607922, which contains 22 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2668459) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1334234 + 1334235.

It is an arithmetic number, because the mean of its divisors is an integer number (1334235).

2^2668469 is an apocalyptic number.

It is an amenable number.

2668469 is a deficient number, since it is larger than the sum of its proper divisors (1).

2668469 is an equidigital number, since it uses as much as digits as its factorization.

2668469 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 124416, while the sum is 41.

The square root of 2668469 is about 1633.5449182682. The cubic root of 2668469 is about 138.7034895377.

The spelling of 2668469 in words is "two million, six hundred sixty-eight thousand, four hundred sixty-nine".