8448427 has 4 divisors (see below), whose sum is σ = 9098320. Its totient is φ = 7798536.

The previous prime is 8448413. The next prime is 8448431. The reversal of 8448427 is 7248448.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-8448427 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (8448437) 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, 324927 + ... + 324952.

It is an arithmetic number, because the mean of its divisors is an integer number (2274580).

Almost surely, 2^8448427 is an apocalyptic number.

8448427 is a deficient number, since it is larger than the sum of its proper divisors (649893).

8448427 is a wasteful number, since it uses less digits than its factorization.

8448427 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 649892.

The product of its digits is 57344, while the sum is 37.

The square root of 8448427 is about 2906.6177939316. The cubic root of 8448427 is about 203.6691661233.

The spelling of 8448427 in words is "eight million, four hundred forty-eight thousand, four hundred twenty-seven".