9900873 has 20 divisors (see below), whose sum is σ = 15271168. Its totient is φ = 6386040.

The previous prime is 9900859. The next prime is 9900883. The reversal of 9900873 is 3780099.

It is not a de Polignac number, because 9900873 - 2⁴ = 9900857 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (9900883) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 540 + ... + 4482.

Almost surely, 2^9900873 is an apocalyptic number.

9900873 is a gapful number since it is divisible by the number (93) formed by its first and last digit.

It is an amenable number.

9900873 is a deficient number, since it is larger than the sum of its proper divisors (5370295).

9900873 is a wasteful number, since it uses less digits than its factorization.

9900873 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3986 (or 3977 counting only the distinct ones).

The product of its (nonzero) digits is 13608, while the sum is 36.

The square root of 9900873 is about 3146.5652702590. The cubic root of 9900873 is about 214.7292282688.

The spelling of 9900873 in words is "nine million, nine hundred thousand, eight hundred seventy-three".