9906946 has 16 divisors (see below), whose sum is σ = 17176320. Its totient is φ = 4197600.

The previous prime is 9906943. The next prime is 9906973. The reversal of 9906946 is 6496099.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (9906943) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2730 + ... + 5221.

It is an arithmetic number, because the mean of its divisors is an integer number (1073520).

Almost surely, 2^9906946 is an apocalyptic number.

9906946 is a deficient number, since it is larger than the sum of its proper divisors (7269374).

9906946 is a wasteful number, since it uses less digits than its factorization.

9906946 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8049.

The product of its (nonzero) digits is 104976, while the sum is 43.

The square root of 9906946 is about 3147.5301428263. The cubic root of 9906946 is about 214.7731228515.

The spelling of 9906946 in words is "nine million, nine hundred six thousand, nine hundred forty-six".