9489643 has 2 divisors, whose sum is σ = 9489644. Its totient is φ = 9489642.

The previous prime is 9489637. The next prime is 9489653. The reversal of 9489643 is 3469849.

9489643 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 9489643 - 2⁵ = 9489611 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 9489643.

It is not a weakly prime, because it can be changed into another prime (9489653) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4744821 + 4744822.

It is an arithmetic number, because the mean of its divisors is an integer number (4744822).

Almost surely, 2^9489643 is an apocalyptic number.

9489643 is a deficient number, since it is larger than the sum of its proper divisors (1).

9489643 is an equidigital number, since it uses as much as digits as its factorization.

9489643 is an evil number, because the sum of its binary digits is even.

The product of its digits is 186624, while the sum is 43.

The square root of 9489643 is about 3080.5264160529. The cubic root of 9489643 is about 211.7141855685.

The spelling of 9489643 in words is "nine million, four hundred eighty-nine thousand, six hundred forty-three".