8649706 has 16 divisors (see below), whose sum is σ = 14238504. Its totient is φ = 3916224.

The previous prime is 8649703. The next prime is 8649721. The reversal of 8649706 is 6079468.

It can be written as a sum of positive squares in 4 ways, for example, as 8439025 + 210681 = 2905^2 + 459^2 .

It is not an unprimeable number, because it can be changed into a prime (8649703) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1761 + ... + 4516.

Almost surely, 2^8649706 is an apocalyptic number.

8649706 is a deficient number, since it is larger than the sum of its proper divisors (5588798).

8649706 is a wasteful number, since it uses less digits than its factorization.

8649706 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6345.

The product of its (nonzero) digits is 72576, while the sum is 40.

The square root of 8649706 is about 2941.0382520464. The cubic root of 8649706 is about 205.2739229322.

The spelling of 8649706 in words is "eight million, six hundred forty-nine thousand, seven hundred six".