8381344 has 12 divisors (see below), whose sum is σ = 16500834. Its totient is φ = 4190656.

The previous prime is 8381341. The next prime is 8381353. The reversal of 8381344 is 4431838.

8381344 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 7772944 + 608400 = 2788^2 + 780^2 .

It is not an unprimeable number, because it can be changed into a prime (8381341) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 130927 + ... + 130990.

Almost surely, 2^8381344 is an apocalyptic number.

It is an amenable number.

8381344 is a deficient number, since it is larger than the sum of its proper divisors (8119490).

8381344 is a wasteful number, since it uses less digits than its factorization.

8381344 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 261927 (or 261919 counting only the distinct ones).

The product of its digits is 9216, while the sum is 31.

The square root of 8381344 is about 2895.0550944671. The cubic root of 8381344 is about 203.1286686201.

The spelling of 8381344 in words is "eight million, three hundred eighty-one thousand, three hundred forty-four".