8686049 has 2 divisors, whose sum is σ = 8686050. Its totient is φ = 8686048.

The previous prime is 8686003. The next prime is 8686087. The reversal of 8686049 is 9406868.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 8614225 + 71824 = 2935^2 + 268^2 .

It is a cyclic number.

It is not a de Polignac number, because 8686049 - 2²⁰ = 7637473 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 8685997 and 8686015.

It is not a weakly prime, because it can be changed into another prime (8676049) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4343024 + 4343025.

It is an arithmetic number, because the mean of its divisors is an integer number (4343025).

Almost surely, 2^8686049 is an apocalyptic number.

It is an amenable number.

8686049 is a deficient number, since it is larger than the sum of its proper divisors (1).

8686049 is an equidigital number, since it uses as much as digits as its factorization.

8686049 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 82944, while the sum is 41.

The square root of 8686049 is about 2947.2103759318. The cubic root of 8686049 is about 205.5610173156.

The spelling of 8686049 in words is "eight million, six hundred eighty-six thousand, forty-nine".