9869443 has 2 divisors, whose sum is σ = 9869444. Its totient is φ = 9869442.

The previous prime is 9869437. The next prime is 9869449. The reversal of 9869443 is 3449689.

It is a balanced prime because it is at equal distance from previous prime (9869437) and next prime (9869449).

It is an emirp because it is prime and its reverse (3449689) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 9869443 - 2⁵ = 9869411 is a prime.

9869443 is a lucky number.

It is a self number, because there is not a number n which added to its sum of digits gives 9869443.

It is not a weakly prime, because it can be changed into another prime (9869449) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4934721 + 4934722.

It is an arithmetic number, because the mean of its divisors is an integer number (4934722).

Almost surely, 2^9869443 is an apocalyptic number.

9869443 is a deficient number, since it is larger than the sum of its proper divisors (1).

9869443 is an equidigital number, since it uses as much as digits as its factorization.

9869443 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 9869443 is about 3141.5669657036. The cubic root of 9869443 is about 214.5017704242.

The spelling of 9869443 in words is "nine million, eight hundred sixty-nine thousand, four hundred forty-three".