9613440 has 96 divisors (see below), whose sum is σ = 33216300. Its totient is φ = 2562048.

The previous prime is 9613433. The next prime is 9613447. The reversal of 9613440 is 443169.

9613440 is a `hidden beast` number, since 9 + 613 + 4 + 40 = 666.

9613440 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (9613433) and next prime (9613447).

It can be written as a sum of positive squares in 2 ways, for example, as 9585216 + 28224 = 3096^2 + 168^2 .

It is a tau number, because it is divible by the number of its divisors (96).

It is not an unprimeable number, because it can be changed into a prime (9613447) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4926 + ... + 6594.

Almost surely, 2^9613440 is an apocalyptic number.

9613440 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 9613440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16608150).

9613440 is an abundant number, since it is smaller than the sum of its proper divisors (23602860).

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

9613440 is a wasteful number, since it uses less digits than its factorization.

9613440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1694 (or 1679 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 27.

The square root of 9613440 is about 3100.5547890660. The cubic root of 9613440 is about 212.6308490543.

The spelling of 9613440 in words is "nine million, six hundred thirteen thousand, four hundred forty".