9897264 has 120 divisors (see below), whose sum is σ = 31685472. Its totient is φ = 2856960.

The previous prime is 9897263. The next prime is 9897287. The reversal of 9897264 is 4627989.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (9897263) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 31669 + ... + 31979.

Almost surely, 2^9897264 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 9897264, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15842736).

9897264 is an abundant number, since it is smaller than the sum of its proper divisors (21788208).

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

9897264 is a wasteful number, since it uses less digits than its factorization.

9897264 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 355 (or 346 counting only the distinct ones).

The product of its digits is 217728, while the sum is 45.

The square root of 9897264 is about 3145.9917355263. The cubic root of 9897264 is about 214.7031345440.

The spelling of 9897264 in words is "nine million, eight hundred ninety-seven thousand, two hundred sixty-four".