9678906 has 32 divisors (see below), whose sum is σ = 22446720. Its totient is φ = 3085632.

The previous prime is 9678901. The next prime is 9678947. The reversal of 9678906 is 6098769.

It is not an unprimeable number, because it can be changed into a prime (9678901) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 2655 + ... + 5138.

It is an arithmetic number, because the mean of its divisors is an integer number (701460).

Almost surely, 2^9678906 is an apocalyptic number.

9678906 is an abundant number, since it is smaller than the sum of its proper divisors (12767814).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

9678906 is a wasteful number, since it uses less digits than its factorization.

9678906 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7827 (or 7821 counting only the distinct ones).

The product of its (nonzero) digits is 163296, while the sum is 45.

The square root of 9678906 is about 3111.0940197943. The cubic root of 9678906 is about 213.1124183398.

The spelling of 9678906 in words is "nine million, six hundred seventy-eight thousand, nine hundred six".