8381944 has 16 divisors (see below), whose sum is σ = 15752520. Its totient is φ = 4181280.

The previous prime is 8381941. The next prime is 8381951. The reversal of 8381944 is 4491838.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8381941) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3574 + ... + 5434.

Almost surely, 2^8381944 is an apocalyptic number.

It is an amenable number.

8381944 is a deficient number, since it is larger than the sum of its proper divisors (7370576).

8381944 is a wasteful number, since it uses less digits than its factorization.

8381944 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2430 (or 2426 counting only the distinct ones).

The product of its digits is 27648, while the sum is 37.

The square root of 8381944 is about 2895.1587175835. The cubic root of 8381944 is about 203.1335156667.

The spelling of 8381944 in words is "eight million, three hundred eighty-one thousand, nine hundred forty-four".