5606640 has 120 divisors (see below), whose sum is σ = 20311200. Its totient is φ = 1377792.

The previous prime is 5606621. The next prime is 5606681. The reversal of 5606640 is 466065.

5606640 is a `hidden beast` number, since 560 + 66 + 40 = 666.

It is a tau number, because it is divible by the number of its divisors (120).

It is a congruent number.

It is an unprimeable number.

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 23 ways as a sum of consecutive naturals, for example, 9061 + ... + 9659.

It is an arithmetic number, because the mean of its divisors is an integer number (169260).

Almost surely, 2^5606640 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 5606640, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (10155600).

5606640 is an abundant number, since it is smaller than the sum of its proper divisors (14704560).

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

5606640 is a wasteful number, since it uses less digits than its factorization.

5606640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 631 (or 622 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 27.

The square root of 5606640 is about 2367.8344536728. The cubic root of 5606640 is about 177.6509593236.

The spelling of 5606640 in words is "five million, six hundred six thousand, six hundred forty".