8945744 has 20 divisors (see below), whose sum is σ = 17433780. Its totient is φ = 4446720.

The previous prime is 8945719. The next prime is 8945747. The reversal of 8945744 is 4475498.

It can be written as a sum of positive squares in 2 ways, for example, as 3655744 + 5290000 = 1912^2 + 2300^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8945747) 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 in 3 ways as a sum of consecutive naturals, for example, 1352 + ... + 4440.

It is an arithmetic number, because the mean of its divisors is an integer number (871689).

Almost surely, 2^8945744 is an apocalyptic number.

It is an amenable number.

8945744 is a deficient number, since it is larger than the sum of its proper divisors (8488036).

8945744 is a wasteful number, since it uses less digits than its factorization.

8945744 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3278 (or 3272 counting only the distinct ones).

The product of its digits is 161280, while the sum is 41.

The square root of 8945744 is about 2990.9436637958. The cubic root of 8945744 is about 207.5895505474.

The spelling of 8945744 in words is "eight million, nine hundred forty-five thousand, seven hundred forty-four".