9778304 has 32 divisors (see below), whose sum is σ = 19747200. Its totient is φ = 4822272.

The previous prime is 9778297. The next prime is 9778309. The reversal of 9778304 is 4038779.

It is a tau number, because it is divible by the number of its divisors (32).

It is not an unprimeable number, because it can be changed into a prime (9778309) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9629 + ... + 10595.

It is an arithmetic number, because the mean of its divisors is an integer number (617100).

Almost surely, 2^9778304 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 9778304, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9873600).

9778304 is an abundant number, since it is smaller than the sum of its proper divisors (9968896).

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

9778304 is an equidigital number, since it uses as much as digits as its factorization.

9778304 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1060 (or 1048 counting only the distinct ones).

The product of its (nonzero) digits is 42336, while the sum is 38.

The square root of 9778304 is about 3127.0279819663. The cubic root of 9778304 is about 213.8394580124.

The spelling of 9778304 in words is "nine million, seven hundred seventy-eight thousand, three hundred four".