9897752 has 16 divisors (see below), whose sum is σ = 18794400. Its totient is φ = 4885920.

The previous prime is 9897749. The next prime is 9897761. The reversal of 9897752 is 2577989.

It is a junction number, because it is equal to n+sod(n) for n = 9897697 and 9897706.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7199 + ... + 8462.

It is an arithmetic number, because the mean of its divisors is an integer number (1174650).

Almost surely, 2^9897752 is an apocalyptic number.

It is an amenable number.

9897752 is a deficient number, since it is larger than the sum of its proper divisors (8896648).

9897752 is a wasteful number, since it uses less digits than its factorization.

9897752 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15746 (or 15742 counting only the distinct ones).

The product of its digits is 317520, while the sum is 47.

The square root of 9897752 is about 3146.0692935789. The cubic root of 9897752 is about 214.7066632434.

The spelling of 9897752 in words is "nine million, eight hundred ninety-seven thousand, seven hundred fifty-two".