8944649 has 16 divisors (see below), whose sum is σ = 10876800. Its totient is φ = 7185024.

The previous prime is 8944643. The next prime is 8944679. The reversal of 8944649 is 9464498.

It is a happy number.

It is not a de Polignac number, because 8944649 - 2¹² = 8940553 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8944643) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14189 + ... + 14805.

It is an arithmetic number, because the mean of its divisors is an integer number (679800).

Almost surely, 2^8944649 is an apocalyptic number.

It is an amenable number.

8944649 is a deficient number, since it is larger than the sum of its proper divisors (1932151).

8944649 is a wasteful number, since it uses less digits than its factorization.

8944649 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 752.

The product of its digits is 248832, while the sum is 44.

The square root of 8944649 is about 2990.7606055985. The cubic root of 8944649 is about 207.5810802315.

The spelling of 8944649 in words is "eight million, nine hundred forty-four thousand, six hundred forty-nine".