8472247 has 12 divisors (see below), whose sum is σ = 10087176. Its totient is φ = 7091280.

The previous prime is 8472221. The next prime is 8472259. The reversal of 8472247 is 7422748.

It is not a de Polignac number, because 8472247 - 2¹⁵ = 8439479 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8472047) 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 11 ways as a sum of consecutive naturals, for example, 97 + ... + 4117.

It is an arithmetic number, because the mean of its divisors is an integer number (840598).

Almost surely, 2^8472247 is an apocalyptic number.

8472247 is a deficient number, since it is larger than the sum of its proper divisors (1614929).

8472247 is a wasteful number, since it uses less digits than its factorization.

8472247 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4078 (or 4071 counting only the distinct ones).

The product of its digits is 25088, while the sum is 34.

The square root of 8472247 is about 2910.7124557400. The cubic root of 8472247 is about 203.8603988512.

The spelling of 8472247 in words is "eight million, four hundred seventy-two thousand, two hundred forty-seven".