8487229 has 2 divisors, whose sum is σ = 8487230. Its totient is φ = 8487228.

The previous prime is 8487223. The next prime is 8487239. The reversal of 8487229 is 9227848.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 5631129 + 2856100 = 2373^2 + 1690^2 .

It is a cyclic number.

It is not a de Polignac number, because 8487229 - 2³ = 8487221 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 8487191 and 8487200.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (8487221) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4243614 + 4243615.

It is an arithmetic number, because the mean of its divisors is an integer number (4243615).

Almost surely, 2^8487229 is an apocalyptic number.

It is an amenable number.

8487229 is a deficient number, since it is larger than the sum of its proper divisors (1).

8487229 is an equidigital number, since it uses as much as digits as its factorization.

8487229 is an odious number, because the sum of its binary digits is odd.

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

The square root of 8487229 is about 2913.2849156922. The cubic root of 8487229 is about 203.9804944185.

The spelling of 8487229 in words is "eight million, four hundred eighty-seven thousand, two hundred twenty-nine".