8426944 has 14 divisors (see below), whose sum is σ = 16722344. Its totient is φ = 4213440.

The previous prime is 8426939. The next prime is 8426953. The reversal of 8426944 is 4496248.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65772 + ... + 65899.

Almost surely, 2^8426944 is an apocalyptic number.

It is an amenable number.

8426944 is a deficient number, since it is larger than the sum of its proper divisors (8295400).

8426944 is a wasteful number, since it uses less digits than its factorization.

8426944 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 131683 (or 131673 counting only the distinct ones).

The product of its digits is 55296, while the sum is 37.

The square root of 8426944 is about 2902.9199093327. The cubic root of 8426944 is about 203.4963868745.

It can be divided in two parts, 84 and 26944, that added together give a triangular number (27028 = T₂₃₂).

The spelling of 8426944 in words is "eight million, four hundred twenty-six thousand, nine hundred forty-four".