9479840 has 48 divisors (see below), whose sum is σ = 22589280. Its totient is φ = 3759360.

The previous prime is 9479819. The next prime is 9479843. The reversal of 9479840 is 489749.

It is not an unprimeable number, because it can be changed into a prime (9479843) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 28475 + ... + 28805.

It is an arithmetic number, because the mean of its divisors is an integer number (470610).

Almost surely, 2^9479840 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 9479840, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (11294640).

9479840 is an abundant number, since it is smaller than the sum of its proper divisors (13109440).

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

9479840 is a wasteful number, since it uses less digits than its factorization.

9479840 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 525 (or 517 counting only the distinct ones).

The product of its (nonzero) digits is 72576, while the sum is 41.

The square root of 9479840 is about 3078.9348807664. The cubic root of 9479840 is about 211.6412587216.

The spelling of 9479840 in words is "nine million, four hundred seventy-nine thousand, eight hundred forty".