8472217 has 16 divisors (see below), whose sum is σ = 9459072. Its totient is φ = 7539840.

The previous prime is 8472203. The next prime is 8472221. The reversal of 8472217 is 7122748.

It is a cyclic number.

It is not a de Polignac number, because 8472217 - 2¹¹ = 8470169 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (8472017) 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, 61773 + ... + 61909.

It is an arithmetic number, because the mean of its divisors is an integer number (591192).

Almost surely, 2^8472217 is an apocalyptic number.

It is an amenable number.

8472217 is a deficient number, since it is larger than the sum of its proper divisors (986855).

8472217 is a wasteful number, since it uses less digits than its factorization.

8472217 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 288.

The product of its digits is 6272, while the sum is 31.

The square root of 8472217 is about 2910.7073023580. The cubic root of 8472217 is about 203.8601582295.

The spelling of 8472217 in words is "eight million, four hundred seventy-two thousand, two hundred seventeen".