2689223 has 2 divisors, whose sum is σ = 2689224. Its totient is φ = 2689222.

The previous prime is 2689189. The next prime is 2689243. The reversal of 2689223 is 3229862.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2689223 is a prime.

It is a Sophie Germain prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2689223.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2689243) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1344611 + 1344612.

It is an arithmetic number, because the mean of its divisors is an integer number (1344612).

2^2689223 is an apocalyptic number.

2689223 is a deficient number, since it is larger than the sum of its proper divisors (1).

2689223 is an equidigital number, since it uses as much as digits as its factorization.

2689223 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 10368, while the sum is 32.

The square root of 2689223 is about 1639.8850569476. The cubic root of 2689223 is about 139.0621498034.

The spelling of 2689223 in words is "two million, six hundred eighty-nine thousand, two hundred twenty-three".