8489423 has 2 divisors, whose sum is σ = 8489424. Its totient is φ = 8489422.

The previous prime is 8489417. The next prime is 8489441. The reversal of 8489423 is 3249848.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 8489423 - 2⁸ = 8489167 is a prime.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (8489413) 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, 4244711 + 4244712.

It is an arithmetic number, because the mean of its divisors is an integer number (4244712).

Almost surely, 2^8489423 is an apocalyptic number.

8489423 is a deficient number, since it is larger than the sum of its proper divisors (1).

8489423 is an equidigital number, since it uses as much as digits as its factorization.

8489423 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 55296, while the sum is 38.

The square root of 8489423 is about 2913.6614422407. The cubic root of 8489423 is about 203.9980696344.

The spelling of 8489423 in words is "eight million, four hundred eighty-nine thousand, four hundred twenty-three".