9404320 has 48 divisors (see below), whose sum is σ = 22657320. Its totient is φ = 3687424.

The previous prime is 9404299. The next prime is 9404341. The reversal of 9404320 is 234049.

It is an interprime number because it is at equal distance from previous prime (9404299) and next prime (9404341).

It can be written as a sum of positive squares in 4 ways, for example, as 5702544 + 3701776 = 2388^2 + 1924^2 .

It is a junction number, because it is equal to n+sod(n) for n = 9404291 and 9404300.

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, 7926 + ... + 9034.

Almost surely, 2^9404320 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 9404320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (11328660).

9404320 is an abundant number, since it is smaller than the sum of its proper divisors (13253000).

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

9404320 is a wasteful number, since it uses less digits than its factorization.

9404320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1177 (or 1169 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 22.

The square root of 9404320 is about 3066.6463767445. The cubic root of 9404320 is about 211.0777548612.

Adding to 9404320 its reverse (234049), we get a palindrome (9638369).

The spelling of 9404320 in words is "nine million, four hundred four thousand, three hundred twenty".