5609840 has 20 divisors (see below), whose sum is σ = 13043064. Its totient is φ = 2243904.

The previous prime is 5609839. The next prime is 5609867. The reversal of 5609840 is 489065.

It is a tau number, because it is divible by the number of its divisors (20).

It is a junction number, because it is equal to n+sod(n) for n = 5609797 and 5609806.

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 3 ways as a sum of consecutive naturals, for example, 34982 + ... + 35141.

Almost surely, 2^5609840 is an apocalyptic number.

It is an amenable number.

5609840 is an abundant number, since it is smaller than the sum of its proper divisors (7433224).

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

5609840 is a wasteful number, since it uses less digits than its factorization.

5609840 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 70136 (or 70130 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 32.

The square root of 5609840 is about 2368.5100801981. The cubic root of 5609840 is about 177.6847510985.

The spelling of 5609840 in words is "five million, six hundred nine thousand, eight hundred forty".