8823989 has 4 divisors (see below), whose sum is σ = 8838156. Its totient is φ = 8809824.

The previous prime is 8823977. The next prime is 8824027. The reversal of 8823989 is 9893288.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 3301489 + 5522500 = 1817^2 + 2350^2 .

It is a cyclic number.

It is not a de Polignac number, because 8823989 - 2¹² = 8819893 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8823949) 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 in 3 ways as a sum of consecutive naturals, for example, 6104 + ... + 7409.

It is an arithmetic number, because the mean of its divisors is an integer number (2209539).

Almost surely, 2^8823989 is an apocalyptic number.

It is an amenable number.

8823989 is a deficient number, since it is larger than the sum of its proper divisors (14167).

8823989 is a wasteful number, since it uses less digits than its factorization.

8823989 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14166.

The product of its digits is 248832, while the sum is 47.

The square root of 8823989 is about 2970.5199881502. The cubic root of 8823989 is about 206.6434541509.

The spelling of 8823989 in words is "eight million, eight hundred twenty-three thousand, nine hundred eighty-nine".