5639872 has 28 divisors (see below), whose sum is σ = 12791440. Its totient is φ = 2416896.

The previous prime is 5639867. The next prime is 5639927. The reversal of 5639872 is 2789365.

It is a tau number, because it is divible by the number of its divisors (28).

It is a d-powerful number, because it can be written as 5³ + 6³ + 3⁵ + 9⁷ + 8 + 7⁷ + 2¹⁵ .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5847 + ... + 6742.

Almost surely, 2^5639872 is an apocalyptic number.

It is an amenable number.

5639872 is an abundant number, since it is smaller than the sum of its proper divisors (7151568).

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

5639872 is a wasteful number, since it uses less digits than its factorization.

5639872 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12608 (or 12598 counting only the distinct ones).

The product of its digits is 90720, while the sum is 40.

The square root of 5639872 is about 2374.8414683932. The cubic root of 5639872 is about 178.0012624579.

The spelling of 5639872 in words is "five million, six hundred thirty-nine thousand, eight hundred seventy-two".