9897456 has 20 divisors (see below), whose sum is σ = 25568552. Its totient is φ = 3299136.

The previous prime is 9897397. The next prime is 9897457. The reversal of 9897456 is 6547989.

It is a Harshad number since it is a multiple of its sum of digits (48), and also a Moran number because the ratio is a prime number: 206197 = 9897456 / (9 + 8 + 9 + 7 + 4 + 5 + 6).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9897457) 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 3 ways as a sum of consecutive naturals, for example, 103051 + ... + 103146.

Almost surely, 2^9897456 is an apocalyptic number.

It is an amenable number.

9897456 is an abundant number, since it is smaller than the sum of its proper divisors (15671096).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

9897456 is a wasteful number, since it uses less digits than its factorization.

9897456 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 206208 (or 206202 counting only the distinct ones).

The product of its digits is 544320, while the sum is 48.

The square root of 9897456 is about 3146.0222503981. The cubic root of 9897456 is about 214.7045228986.

The spelling of 9897456 in words is "nine million, eight hundred ninety-seven thousand, four hundred fifty-six".