9905946 has 8 divisors (see below), whose sum is σ = 19811904. Its totient is φ = 3301980.

The previous prime is 9905941. The next prime is 9905947. The reversal of 9905946 is 6495099.

It is a happy number.

9905946 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

9905946 is an admirable number.

It is a junction number, because it is equal to n+sod(n) for n = 9905898 and 9905907.

It is not an unprimeable number, because it can be changed into a prime (9905941) 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, 825490 + ... + 825501.

It is an arithmetic number, because the mean of its divisors is an integer number (2476488).

Almost surely, 2^9905946 is an apocalyptic number.

9905946 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

9905946 is a wasteful number, since it uses less digits than its factorization.

9905946 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1650996.

The product of its (nonzero) digits is 87480, while the sum is 42.

The square root of 9905946 is about 3147.3712841036. The cubic root of 9905946 is about 214.7658962602.

The spelling of 9905946 in words is "nine million, nine hundred five thousand, nine hundred forty-six".