8587849 has 2 divisors, whose sum is σ = 8587850. Its totient is φ = 8587848.

The previous prime is 8587841. The next prime is 8587861. The reversal of 8587849 is 9487858.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 5914624 + 2673225 = 2432^2 + 1635^2 .

It is a cyclic number.

It is not a de Polignac number, because 8587849 - 2³ = 8587841 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (8587841) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4293924 + 4293925.

It is an arithmetic number, because the mean of its divisors is an integer number (4293925).

Almost surely, 2^8587849 is an apocalyptic number.

It is an amenable number.

8587849 is a deficient number, since it is larger than the sum of its proper divisors (1).

8587849 is an equidigital number, since it uses as much as digits as its factorization.

8587849 is an evil number, because the sum of its binary digits is even.

The product of its digits is 645120, while the sum is 49.

The square root of 8587849 is about 2930.5031991110. The cubic root of 8587849 is about 204.7834238624.

Subtracting 8587849 from its reverse (9487858), we obtain a palindrome (900009).

The spelling of 8587849 in words is "eight million, five hundred eighty-seven thousand, eight hundred forty-nine".