8448257 has 4 divisors (see below), whose sum is σ = 8462916. Its totient is φ = 8433600.

The previous prime is 8448239. The next prime is 8448277. The reversal of 8448257 is 7528448.

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

It can be written as a sum of positive squares in 2 ways, for example, as 3254416 + 5193841 = 1804^2 + 2279^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-8448257 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 8448257.

It is not an unprimeable number, because it can be changed into a prime (8448227) by changing a digit.

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 in 3 ways as a sum of consecutive naturals, for example, 6428 + ... + 7629.

It is an arithmetic number, because the mean of its divisors is an integer number (2115729).

Almost surely, 2^8448257 is an apocalyptic number.

It is an amenable number.

8448257 is a deficient number, since it is larger than the sum of its proper divisors (14659).

8448257 is a wasteful number, since it uses less digits than its factorization.

8448257 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14658.

The product of its digits is 71680, while the sum is 38.

The square root of 8448257 is about 2906.5885501736. The cubic root of 8448257 is about 203.6678000311.

The spelling of 8448257 in words is "eight million, four hundred forty-eight thousand, two hundred fifty-seven".