8906447 has 6 divisors (see below), whose sum is σ = 9789864. Its totient is φ = 8096660.

The previous prime is 8906441. The next prime is 8906489. The reversal of 8906447 is 7446098.

It is a happy number.

It is not a de Polignac number, because 8906447 - 2¹⁰ = 8905423 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 8906447.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8906441) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 36683 + ... + 36924.

It is an arithmetic number, because the mean of its divisors is an integer number (1631644).

Almost surely, 2^8906447 is an apocalyptic number.

8906447 is a deficient number, since it is larger than the sum of its proper divisors (883417).

8906447 is a wasteful number, since it uses less digits than its factorization.

8906447 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 73629 (or 73618 counting only the distinct ones).

The product of its (nonzero) digits is 48384, while the sum is 38.

The square root of 8906447 is about 2984.3671020838. The cubic root of 8906447 is about 207.2851368576.

It can be divided in two parts, 890 and 6447, that added together give a palindrome (7337).

The spelling of 8906447 in words is "eight million, nine hundred six thousand, four hundred forty-seven".