8247485 has 16 divisors (see below), whose sum is σ = 10282800. Its totient is φ = 6345216.

The previous prime is 8247451. The next prime is 8247487. The reversal of 8247485 is 5847428.

It can be written as a sum of positive squares in 8 ways, for example, as 1907161 + 6340324 = 1381^2 + 2518^2 .

It is a cyclic number.

It is not a de Polignac number, because 8247485 - 2⁸ = 8247229 is a prime.

It is a Smith number, since the sum of its digits (38) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

Its product of digits (71680) is a multiple of the sum of its prime divisors (560).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8247487) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 19961 + ... + 20369.

It is an arithmetic number, because the mean of its divisors is an integer number (642675).

Almost surely, 2^8247485 is an apocalyptic number.

It is an amenable number.

8247485 is a deficient number, since it is larger than the sum of its proper divisors (2035315).

8247485 is a wasteful number, since it uses less digits than its factorization.

8247485 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 560.

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

The square root of 8247485 is about 2871.8434845931. The cubic root of 8247485 is about 202.0414661793.

The spelling of 8247485 in words is "eight million, two hundred forty-seven thousand, four hundred eighty-five".