9899073 has 12 divisors (see below), whose sum is σ = 14631760. Its totient is φ = 6445656.

The previous prime is 9899069. The next prime is 9899119. The reversal of 9899073 is 3709989.

It is a happy number.

It is not a de Polignac number, because 9899073 - 2² = 9899069 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (9899003) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 12403 + ... + 13176.

Almost surely, 2^9899073 is an apocalyptic number.

It is an amenable number.

9899073 is a deficient number, since it is larger than the sum of its proper divisors (4732687).

9899073 is a wasteful number, since it uses less digits than its factorization.

9899073 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25628 (or 25625 counting only the distinct ones).

The product of its (nonzero) digits is 122472, while the sum is 45.

The square root of 9899073 is about 3146.2792310919. The cubic root of 9899073 is about 214.7162147350.

The spelling of 9899073 in words is "nine million, eight hundred ninety-nine thousand, seventy-three".