8706506 has 4 divisors (see below), whose sum is σ = 13059762. Its totient is φ = 4353252.

The previous prime is 8706497. The next prime is 8706527. The reversal of 8706506 is 6056078.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 6175225 + 2531281 = 2485^2 + 1591^2 .

It is a Curzon number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2176625 + ... + 2176628.

Almost surely, 2^8706506 is an apocalyptic number.

8706506 is a deficient number, since it is larger than the sum of its proper divisors (4353256).

8706506 is a wasteful number, since it uses less digits than its factorization.

8706506 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4353255.

The product of its (nonzero) digits is 10080, while the sum is 32.

The square root of 8706506 is about 2950.6789049302. The cubic root of 8706506 is about 205.7222668769.

The spelling of 8706506 in words is "eight million, seven hundred six thousand, five hundred six".