8987417 has 2 divisors, whose sum is σ = 8987418. Its totient is φ = 8987416.

The previous prime is 8987401. The next prime is 8987443. The reversal of 8987417 is 7147898.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 7557001 + 1430416 = 2749^2 + 1196^2 .

It is a cyclic number.

It is not a de Polignac number, because 8987417 - 2⁴ = 8987401 is a prime.

It is not a weakly prime, because it can be changed into another prime (8987467) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4493708 + 4493709.

It is an arithmetic number, because the mean of its divisors is an integer number (4493709).

Almost surely, 2^8987417 is an apocalyptic number.

It is an amenable number.

8987417 is a deficient number, since it is larger than the sum of its proper divisors (1).

8987417 is an equidigital number, since it uses as much as digits as its factorization.

8987417 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 112896, while the sum is 44.

The square root of 8987417 is about 2997.9020998025. The cubic root of 8987417 is about 207.9113974824.

The spelling of 8987417 in words is "eight million, nine hundred eighty-seven thousand, four hundred seventeen".