9897136 has 10 divisors (see below), whose sum is σ = 19175732. Its totient is φ = 4948560.

The previous prime is 9897127. The next prime is 9897161. The reversal of 9897136 is 6317989.

It is a junction number, because it is equal to n+sod(n) for n = 9897092 and 9897101.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 309270 + ... + 309301.

Almost surely, 2^9897136 is an apocalyptic number.

It is an amenable number.

9897136 is a deficient number, since it is larger than the sum of its proper divisors (9278596).

9897136 is a wasteful number, since it uses less digits than its factorization.

9897136 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 618579 (or 618573 counting only the distinct ones).

The product of its digits is 81648, while the sum is 43.

The square root of 9897136 is about 3145.9713921140. The cubic root of 9897136 is about 214.7022089643.

The spelling of 9897136 in words is "nine million, eight hundred ninety-seven thousand, one hundred thirty-six".