9705906 has 64 divisors (see below), whose sum is σ = 25032960. Its totient is φ = 2764368.

The previous prime is 9705901. The next prime is 9705907. The reversal of 9705906 is 6095079.

It is a super-2 number, since 2×9705906² = 188409222561672, which contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (9705901) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 30460 + ... + 30776.

It is an arithmetic number, because the mean of its divisors is an integer number (391140).

Almost surely, 2^9705906 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 9705906, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12516480).

9705906 is an abundant number, since it is smaller than the sum of its proper divisors (15327054).

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

9705906 is an equidigital number, since it uses as much as digits as its factorization.

9705906 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 347 (or 329 counting only the distinct ones).

The product of its (nonzero) digits is 17010, while the sum is 36.

The square root of 9705906 is about 3115.4303073572. The cubic root of 9705906 is about 213.3103984676.

The spelling of 9705906 in words is "nine million, seven hundred five thousand, nine hundred six".