8805649 has 2 divisors, whose sum is σ = 8805650. Its totient is φ = 8805648.

The previous prime is 8805637. The next prime is 8805653. The reversal of 8805649 is 9465088.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 8661249 + 144400 = 2943^2 + 380^2 .

It is a cyclic number.

It is not a de Polignac number, because 8805649 - 2⁵ = 8805617 is a prime.

It is a super-2 number, since 2×8805649² = 155078908622402, which contains 22 as substring.

It is a Chen prime.

It is an Ulam number.

It is not a weakly prime, because it can be changed into another prime (8805449) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4402824 + 4402825.

It is an arithmetic number, because the mean of its divisors is an integer number (4402825).

Almost surely, 2^8805649 is an apocalyptic number.

It is an amenable number.

8805649 is a deficient number, since it is larger than the sum of its proper divisors (1).

8805649 is an equidigital number, since it uses as much as digits as its factorization.

8805649 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 69120, while the sum is 40.

The square root of 8805649 is about 2967.4313808410. The cubic root of 8805649 is about 206.5001905386.

The spelling of 8805649 in words is "eight million, eight hundred five thousand, six hundred forty-nine".