8966447 has 4 divisors (see below), whose sum is σ = 10247376. Its totient is φ = 7685520.

The previous prime is 8966443. The next prime is 8966453. The reversal of 8966447 is 7446698.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 8966447 - 2² = 8966443 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 8966398 and 8966407.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8966443) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 640454 + ... + 640467.

It is an arithmetic number, because the mean of its divisors is an integer number (2561844).

Almost surely, 2^8966447 is an apocalyptic number.

8966447 is a deficient number, since it is larger than the sum of its proper divisors (1280929).

8966447 is a wasteful number, since it uses less digits than its factorization.

8966447 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1280928.

The product of its digits is 290304, while the sum is 44.

The square root of 8966447 is about 2994.4026115404. The cubic root of 8966447 is about 207.7495676212.

The spelling of 8966447 in words is "eight million, nine hundred sixty-six thousand, four hundred forty-seven".