8886649 has 2 divisors, whose sum is σ = 8886650. Its totient is φ = 8886648.

The previous prime is 8886637. The next prime is 8886653. The reversal of 8886649 is 9466888.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 8643600 + 243049 = 2940^2 + 493^2 .

It is a cyclic number.

It is not a de Polignac number, because 8886649 - 2⁵ = 8886617 is a prime.

It is an Ulam number.

It is not a weakly prime, because it can be changed into another prime (8886629) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4443324 + 4443325.

It is an arithmetic number, because the mean of its divisors is an integer number (4443325).

Almost surely, 2^8886649 is an apocalyptic number.

It is an amenable number.

8886649 is a deficient number, since it is larger than the sum of its proper divisors (1).

8886649 is an equidigital number, since it uses as much as digits as its factorization.

8886649 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 663552, while the sum is 49.

The square root of 8886649 is about 2981.0483055462. The cubic root of 8886649 is about 207.1314326296.

The spelling of 8886649 in words is "eight million, eight hundred eighty-six thousand, six hundred forty-nine".