9797280 has 48 divisors (see below), whose sum is σ = 30862944. Its totient is φ = 2612480.

The previous prime is 9797279. The next prime is 9797297. The reversal of 9797280 is 827979.

9797280 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (48).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9726 + ... + 10685.

It is an arithmetic number, because the mean of its divisors is an integer number (642978).

Almost surely, 2^9797280 is an apocalyptic number.

It is an amenable number.

9797280 is an abundant number, since it is smaller than the sum of its proper divisors (21065664).

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

9797280 is a wasteful number, since it uses less digits than its factorization.

9797280 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20429 (or 20421 counting only the distinct ones).

The product of its (nonzero) digits is 63504, while the sum is 42.

The square root of 9797280 is about 3130.0607022868. The cubic root of 9797280 is about 213.9776958732.

The spelling of 9797280 in words is "nine million, seven hundred ninety-seven thousand, two hundred eighty".