8711649 has 6 divisors (see below), whose sum is σ = 12583506. Its totient is φ = 5807760.

The previous prime is 8711627. The next prime is 8711653. The reversal of 8711649 is 9461178.

8711649 is a `hidden beast` number, since 8 + 7 + 1 + 1 + 649 = 666.

8711649 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 6594624 + 2117025 = 2568^2 + 1455^2 .

It is not a de Polignac number, because 8711649 - 2⁵ = 8711617 is a prime.

It is not an unprimeable number, because it can be changed into a prime (8711669) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 483972 + ... + 483989.

It is an arithmetic number, because the mean of its divisors is an integer number (2097251).

Almost surely, 2^8711649 is an apocalyptic number.

It is an amenable number.

8711649 is a deficient number, since it is larger than the sum of its proper divisors (3871857).

8711649 is a wasteful number, since it uses less digits than its factorization.

8711649 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 967967 (or 967964 counting only the distinct ones).

The product of its digits is 12096, while the sum is 36.

The square root of 8711649 is about 2951.5502706205. The cubic root of 8711649 is about 205.7627661449.

The spelling of 8711649 in words is "eight million, seven hundred eleven thousand, six hundred forty-nine".