9903866 has 16 divisors (see below), whose sum is σ = 17020800. Its totient is φ = 4233840.

The previous prime is 9903857. The next prime is 9903871. The reversal of 9903866 is 6683099.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7796 + ... + 8976.

It is an arithmetic number, because the mean of its divisors is an integer number (1063800).

Almost surely, 2^9903866 is an apocalyptic number.

9903866 is a deficient number, since it is larger than the sum of its proper divisors (7116934).

9903866 is a wasteful number, since it uses less digits than its factorization.

9903866 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1789.

The product of its (nonzero) digits is 69984, while the sum is 41.

The square root of 9903866 is about 3147.0408322740. The cubic root of 9903866 is about 214.7508633923.

The spelling of 9903866 in words is "nine million, nine hundred three thousand, eight hundred sixty-six".