8247456 has 72 divisors (see below), whose sum is σ = 26810784. Its totient is φ = 2355840.

The previous prime is 8247451. The next prime is 8247487. The reversal of 8247456 is 6547428.

8247456 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (72).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a d-powerful number, because it can be written as 8⁷ + 2 + 4⁴ + 7⁴ + 4¹¹ + 5⁹ + 6³ .

It is a self number, because there is not a number n which added to its sum of digits gives 8247456.

It is not an unprimeable number, because it can be changed into a prime (8247451) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 30 + ... + 4061.

It is an arithmetic number, because the mean of its divisors is an integer number (372372).

Almost surely, 2^8247456 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 8247456, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13405392).

8247456 is an abundant number, since it is smaller than the sum of its proper divisors (18563328).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

8247456 is a wasteful number, since it uses less digits than its factorization.

8247456 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4114 (or 4103 counting only the distinct ones).

The product of its digits is 53760, while the sum is 36.

The square root of 8247456 is about 2871.8384355670. The cubic root of 8247456 is about 202.0412293714.

The spelling of 8247456 in words is "eight million, two hundred forty-seven thousand, four hundred fifty-six".