9399240 has 96 divisors (see below), whose sum is σ = 31711680. Its totient is φ = 2503872.

The previous prime is 9399239. The next prime is 9399251. The reversal of 9399240 is 429939.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 9399195 and 9399204.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 9237 + ... + 10203.

It is an arithmetic number, because the mean of its divisors is an integer number (330330).

Almost surely, 2^9399240 is an apocalyptic number.

9399240 is a gapful number since it is divisible by the number (90) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 9399240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15855840).

9399240 is an abundant number, since it is smaller than the sum of its proper divisors (22312440).

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

9399240 is a wasteful number, since it uses less digits than its factorization.

9399240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 993 (or 977 counting only the distinct ones).

The product of its (nonzero) digits is 17496, while the sum is 36.

The square root of 9399240 is about 3065.8179985120. The cubic root of 9399240 is about 211.0397415466.

The spelling of 9399240 in words is "nine million, three hundred ninety-nine thousand, two hundred forty".