8722906 has 8 divisors (see below), whose sum is σ = 13122900. Its totient is φ = 4348608.

The previous prime is 8722891. The next prime is 8722913. The reversal of 8722906 is 6092278.

It can be written as a sum of positive squares in 2 ways, for example, as 8555625 + 167281 = 2925^2 + 409^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

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 in 3 ways as a sum of consecutive naturals, for example, 5551 + ... + 6946.

Almost surely, 2^8722906 is an apocalyptic number.

8722906 is a deficient number, since it is larger than the sum of its proper divisors (4399994).

8722906 is a wasteful number, since it uses less digits than its factorization.

8722906 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12848.

The product of its (nonzero) digits is 12096, while the sum is 34.

The square root of 8722906 is about 2953.4566189467. The cubic root of 8722906 is about 205.8513553621.

The spelling of 8722906 in words is "eight million, seven hundred twenty-two thousand, nine hundred six".