9399648 has 48 divisors (see below), whose sum is σ = 24857280. Its totient is φ = 3110016.

The previous prime is 9399641. The next prime is 9399653. The reversal of 9399648 is 8469939.

It is a happy number.

9399648 is digitally balanced in base 2 and base 4, because in such bases 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 a Harshad number since it is a multiple of its sum of digits (48).

It is an Ulam number.

It is a junction number, because it is equal to n+sod(n) for n = 9399597 and 9399606.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9399641) 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, 16911 + ... + 17457.

It is an arithmetic number, because the mean of its divisors is an integer number (517860).

Almost surely, 2^9399648 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 9399648, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12428640).

9399648 is an abundant number, since it is smaller than the sum of its proper divisors (15457632).

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

9399648 is a wasteful number, since it uses less digits than its factorization.

9399648 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 739 (or 731 counting only the distinct ones).

The product of its digits is 419904, while the sum is 48.

The square root of 9399648 is about 3065.8845379433. The cubic root of 9399648 is about 211.0427950902.

The spelling of 9399648 in words is "nine million, three hundred ninety-nine thousand, six hundred forty-eight".