9897000 has 64 divisors (see below), whose sum is σ = 30888000. Its totient is φ = 2638400.

The previous prime is 9896989. The next prime is 9897001. The reversal of 9897000 is 7989.

It is a hoax number, since the sum of its digits (33) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (9897001) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1351 + ... + 4649.

It is an arithmetic number, because the mean of its divisors is an integer number (482625).

Almost surely, 2^9897000 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 9897000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15444000).

9897000 is an abundant number, since it is smaller than the sum of its proper divisors (20991000).

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

9897000 is a wasteful number, since it uses less digits than its factorization.

9897000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3323 (or 3309 counting only the distinct ones).

The product of its (nonzero) digits is 4536, while the sum is 33.

The square root of 9897000 is about 3145.9497770944. The cubic root of 9897000 is about 214.7012255272.

The spelling of 9897000 in words is "nine million, eight hundred ninety-seven thousand".