9399656460 has 96 divisors (see below), whose sum is σ = 26747239680. Its totient is φ = 2465895168.

The previous prime is 9399656443. The next prime is 9399656471. The reversal of 9399656460 is 646569939.

It is a self number, because there is not a number n which added to its sum of digits gives 9399656460.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 5253246 + ... + 5255034.

It is an arithmetic number, because the mean of its divisors is an integer number (278617080).

Almost surely, 2^9399656460 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 9399656460, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13373619840).

9399656460 is an abundant number, since it is smaller than the sum of its proper divisors (17347583220).

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

9399656460 is a wasteful number, since it uses less digits than its factorization.

9399656460 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3175 (or 3173 counting only the distinct ones).

The product of its (nonzero) digits is 9447840, while the sum is 57.

The square root of 9399656460 is about 96951.8254598643. The cubic root of 9399656460 is about 2110.4285840539.

The spelling of 9399656460 in words is "nine billion, three hundred ninety-nine million, six hundred fifty-six thousand, four hundred sixty".