8223744 has 44 divisors (see below), whose sum is σ = 21927464. Its totient is φ = 2740224.

The previous prime is 8223737. The next prime is 8223749. The reversal of 8223744 is 4473228.

It is a d-powerful number, because it can be written as 8⁵ + 2⁷ + 2²¹ + 3¹⁴ + 7 + 4⁹ + 4¹⁰ .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8223749) 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, 1734 + ... + 4410.

Almost surely, 2^8223744 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 8223744, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (10963732).

8223744 is an abundant number, since it is smaller than the sum of its proper divisors (13703720).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

8223744 is a wasteful number, since it uses less digits than its factorization.

8223744 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2700 (or 2682 counting only the distinct ones).

The product of its digits is 10752, while the sum is 30.

The square root of 8223744 is about 2867.7070980140. The cubic root of 8223744 is about 201.8474160601.

The spelling of 8223744 in words is "eight million, two hundred twenty-three thousand, seven hundred forty-four".