8472289 has 8 divisors (see below), whose sum is σ = 9748800. Its totient is φ = 7212336.

The previous prime is 8472259. The next prime is 8472293. The reversal of 8472289 is 9822748.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 8472289 - 2¹⁷ = 8341217 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (8472259) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3019 + ... + 5104.

It is an arithmetic number, because the mean of its divisors is an integer number (1218600).

Almost surely, 2^8472289 is an apocalyptic number.

It is an amenable number.

8472289 is a deficient number, since it is larger than the sum of its proper divisors (1276511).

8472289 is a wasteful number, since it uses less digits than its factorization.

8472289 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8279.

The product of its digits is 64512, while the sum is 40.

The square root of 8472289 is about 2910.7196704595. The cubic root of 8472289 is about 203.8607357206.

It can be divided in two parts, 847 and 2289, that added together give a square (3136 = 56²).

The spelling of 8472289 in words is "eight million, four hundred seventy-two thousand, two hundred eighty-nine".