8909672 has 16 divisors (see below), whose sum is σ = 16749060. Its totient is φ = 4443264.

The previous prime is 8909653. The next prime is 8909707. The reversal of 8909672 is 2769098.

It can be written as a sum of positive squares in 2 ways, for example, as 7043716 + 1865956 = 2654^2 + 1366^2 .

It is an alternating number because its digits alternate between even and odd.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2438 + ... + 4874.

Almost surely, 2^8909672 is an apocalyptic number.

It is an amenable number.

8909672 is a deficient number, since it is larger than the sum of its proper divisors (7839388).

8909672 is a wasteful number, since it uses less digits than its factorization.

8909672 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2900 (or 2896 counting only the distinct ones).

The product of its (nonzero) digits is 54432, while the sum is 41.

The square root of 8909672 is about 2984.9073687470. The cubic root of 8909672 is about 207.3101529647.

The spelling of 8909672 in words is "eight million, nine hundred nine thousand, six hundred seventy-two".