9897112 has 8 divisors (see below), whose sum is σ = 18557100. Its totient is φ = 4948552.

The previous prime is 9897109. The next prime is 9897127. The reversal of 9897112 is 2117989.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 618562 + ... + 618577.

Almost surely, 2^9897112 is an apocalyptic number.

It is an amenable number.

9897112 is a deficient number, since it is larger than the sum of its proper divisors (8659988).

9897112 is a wasteful number, since it uses less digits than its factorization.

9897112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1237145 (or 1237141 counting only the distinct ones).

The product of its digits is 9072, while the sum is 37.

The square root of 9897112 is about 3145.9675777096. The cubic root of 9897112 is about 214.7020354173.

The spelling of 9897112 in words is "nine million, eight hundred ninety-seven thousand, one hundred twelve".