2668829 has 2 divisors, whose sum is σ = 2668830. Its totient is φ = 2668828.

The previous prime is 2668793. The next prime is 2668837. The reversal of 2668829 is 9288662.

2668829 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2592100 + 76729 = 1610^2 + 277^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2668829 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2668849) 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, 1334414 + 1334415.

It is an arithmetic number, because the mean of its divisors is an integer number (1334415).

2^2668829 is an apocalyptic number.

It is an amenable number.

2668829 is a deficient number, since it is larger than the sum of its proper divisors (1).

2668829 is an equidigital number, since it uses as much as digits as its factorization.

2668829 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 82944, while the sum is 41.

The square root of 2668829 is about 1633.6551043595. The cubic root of 2668829 is about 138.7097266985.

The spelling of 2668829 in words is "two million, six hundred sixty-eight thousand, eight hundred twenty-nine".