3585440 has 24 divisors (see below), whose sum is σ = 8470980. Its totient is φ = 1434112.

The previous prime is 3585403. The next prime is 3585443. The reversal of 3585440 is 445853.

3585440 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 3579664 + 5776 = 1892^2 + 76^2 .

It is not an unprimeable number, because it can be changed into a prime (3585443) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11045 + ... + 11364.

Almost surely, 2^3585440 is an apocalyptic number.

It is an amenable number.

3585440 is an abundant number, since it is smaller than the sum of its proper divisors (4885540).

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

3585440 is a wasteful number, since it uses less digits than its factorization.

3585440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22424 (or 22416 counting only the distinct ones).

The product of its (nonzero) digits is 9600, while the sum is 29.

The square root of 3585440 is about 1893.5258118125. The cubic root of 3585440 is about 153.0549875687.

The spelling of 3585440 in words is "three million, five hundred eighty-five thousand, four hundred forty".