9163240 has 16 divisors (see below), whose sum is σ = 20617380. Its totient is φ = 3665280.

The previous prime is 9163199. The next prime is 9163243. The reversal of 9163240 is 423619.

9163240 is digitally balanced in base 2 and base 5, because in such bases it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 8191044 + 972196 = 2862^2 + 986^2 .

It is not an unprimeable number, because it can be changed into a prime (9163243) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 114501 + ... + 114580.

Almost surely, 2^9163240 is an apocalyptic number.

It is an amenable number.

9163240 is an abundant number, since it is smaller than the sum of its proper divisors (11454140).

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

9163240 is a wasteful number, since it uses less digits than its factorization.

9163240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 229092 (or 229088 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 25.

The square root of 9163240 is about 3027.0844058268. The cubic root of 9163240 is about 209.2584579018.

Adding to 9163240 its reverse (423619), we get a palindrome (9586859).

The spelling of 9163240 in words is "nine million, one hundred sixty-three thousand, two hundred forty".