8649677 has 2 divisors, whose sum is σ = 8649678. Its totient is φ = 8649676.

The previous prime is 8649671. The next prime is 8649689. The reversal of 8649677 is 7769468.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 8649481 + 196 = 2941^2 + 14^2 .

It is a cyclic number.

It is not a de Polignac number, because 8649677 - 2⁴ = 8649661 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (8649671) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4324838 + 4324839.

It is an arithmetic number, because the mean of its divisors is an integer number (4324839).

Almost surely, 2^8649677 is an apocalyptic number.

It is an amenable number.

8649677 is a deficient number, since it is larger than the sum of its proper divisors (1).

8649677 is an equidigital number, since it uses as much as digits as its factorization.

8649677 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 508032, while the sum is 47.

The square root of 8649677 is about 2941.0333218106. The cubic root of 8649677 is about 205.2736935236.

The spelling of 8649677 in words is "eight million, six hundred forty-nine thousand, six hundred seventy-seven".