8389448 has 8 divisors (see below), whose sum is σ = 15730230. Its totient is φ = 4194720.

The previous prime is 8389441. The next prime is 8389463. The reversal of 8389448 is 8449838.

It can be written as a sum of positive squares in only one way, i.e., 4937284 + 3452164 = 2222^2 + 1858^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is an Ulam number.

It is a d-powerful number, because it can be written as 8³ + 3⁵ + 8⁷ + 9² + 4 + 4¹¹ + 8⁷ .

It is a junction number, because it is equal to n+sod(n) for n = 8389399 and 8389408.

It is not an unprimeable number, because it can be changed into a prime (8389441) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (5) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 524333 + ... + 524348.

Almost surely, 2^8389448 is an apocalyptic number.

It is an amenable number.

8389448 is a deficient number, since it is larger than the sum of its proper divisors (7340782).

8389448 is a wasteful number, since it uses less digits than its factorization.

8389448 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1048687 (or 1048683 counting only the distinct ones).

The product of its digits is 221184, while the sum is 44.

The square root of 8389448 is about 2896.4543842429. The cubic root of 8389448 is about 203.1941165346.

The spelling of 8389448 in words is "eight million, three hundred eighty-nine thousand, four hundred forty-eight".