9709906 has 8 divisors (see below), whose sum is σ = 14600880. Its totient is φ = 4842948.

The previous prime is 9709901. The next prime is 9709927. The reversal of 9709906 is 6099079.

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

It is an Ulam number.

It is not an unprimeable number, because it can be changed into a prime (9709901) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4956 + ... + 6631.

It is an arithmetic number, because the mean of its divisors is an integer number (1825110).

Almost surely, 2^9709906 is an apocalyptic number.

9709906 is a deficient number, since it is larger than the sum of its proper divisors (4890974).

9709906 is a wasteful number, since it uses less digits than its factorization.

9709906 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12008.

The product of its (nonzero) digits is 30618, while the sum is 40.

The square root of 9709906 is about 3116.0722071223. The cubic root of 9709906 is about 213.3396976183.

The spelling of 9709906 in words is "nine million, seven hundred nine thousand, nine hundred six".