8457248 has 12 divisors (see below), whose sum is σ = 16650270. Its totient is φ = 4228608.

The previous prime is 8457247. The next prime is 8457271. The reversal of 8457248 is 8427548.

It can be written as a sum of positive squares in only one way, i.e., 8456464 + 784 = 2908^2 + 28^2 .

It is not an unprimeable number, because it can be changed into a prime (8457247) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (5) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 132113 + ... + 132176.

Almost surely, 2^8457248 is an apocalyptic number.

It is an amenable number.

8457248 is a deficient number, since it is larger than the sum of its proper divisors (8193022).

8457248 is a wasteful number, since it uses less digits than its factorization.

8457248 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 264299 (or 264291 counting only the distinct ones).

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

The square root of 8457248 is about 2908.1347974260. The cubic root of 8457248 is about 203.7400251054.

The spelling of 8457248 in words is "eight million, four hundred fifty-seven thousand, two hundred forty-eight".