9906486 has 32 divisors (see below), whose sum is σ = 21183360. Its totient is φ = 3079296.

The previous prime is 9906473. The next prime is 9906493. The reversal of 9906486 is 6846099.

9906486 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6990 + ... + 8286.

It is an arithmetic number, because the mean of its divisors is an integer number (661980).

Almost surely, 2^9906486 is an apocalyptic number.

9906486 is an abundant number, since it is smaller than the sum of its proper divisors (11276874).

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

9906486 is a wasteful number, since it uses less digits than its factorization.

9906486 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1388.

The product of its (nonzero) digits is 93312, while the sum is 42.

The square root of 9906486 is about 3147.4570688097. The cubic root of 9906486 is about 214.7697986799.

The spelling of 9906486 in words is "nine million, nine hundred six thousand, four hundred eighty-six".