5639860 has 12 divisors (see below), whose sum is σ = 11843748. Its totient is φ = 2255936.

The previous prime is 5639857. The next prime is 5639867. The reversal of 5639860 is 689365.

It can be written as a sum of positive squares in 2 ways, for example, as 3640464 + 1999396 = 1908^2 + 1414^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5639867) 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, 140977 + ... + 141016.

It is an arithmetic number, because the mean of its divisors is an integer number (986979).

Almost surely, 2^5639860 is an apocalyptic number.

It is an amenable number.

5639860 is an abundant number, since it is smaller than the sum of its proper divisors (6203888).

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

5639860 is a wasteful number, since it uses less digits than its factorization.

5639860 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 282002 (or 282000 counting only the distinct ones).

The product of its (nonzero) digits is 38880, while the sum is 37.

The square root of 5639860 is about 2374.8389419074. The cubic root of 5639860 is about 178.0011362129.

The spelling of 5639860 in words is "five million, six hundred thirty-nine thousand, eight hundred sixty".