3608440 has 64 divisors (see below), whose sum is σ = 9072000. Its totient is φ = 1280640.

The previous prime is 3608417. The next prime is 3608477. The reversal of 3608440 is 448063.

3608440 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

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 15 ways as a sum of consecutive naturals, for example, 25891 + ... + 26029.

It is an arithmetic number, because the mean of its divisors is an integer number (141750).

Almost surely, 2^3608440 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 3608440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4536000).

3608440 is an abundant number, since it is smaller than the sum of its proper divisors (5463560).

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

3608440 is a wasteful number, since it uses less digits than its factorization.

3608440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 220 (or 216 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 25.

The square root of 3608440 is about 1899.5894293241. The cubic root of 3608440 is about 153.3815643275.

The spelling of 3608440 in words is "three million, six hundred eight thousand, four hundred forty".