5639472 has 30 divisors (see below), whose sum is σ = 15783092. Its totient is φ = 1879776.

The previous prime is 5639467. The next prime is 5639479. The reversal of 5639472 is 2749365.

5639472 is a `hidden beast` number, since 563 + 94 + 7 + 2 = 666.

5639472 is nontrivially palindromic in base 11.

It is a Smith number, since the sum of its digits (36) coincides with the sum of the digits of its prime factors.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a d-powerful number, because it can be written as 5⁹ + 6³ + 3¹² + 9⁴ + 4¹⁰ + 7⁴ + 2²¹ .

It is not an unprimeable number, because it can be changed into a prime (5639479) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 19438 + ... + 19725.

Almost surely, 2^5639472 is an apocalyptic number.

It is an amenable number.

5639472 is an abundant number, since it is smaller than the sum of its proper divisors (10143620).

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

5639472 is a wasteful number, since it uses less digits than its factorization.

5639472 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39177 (or 39168 counting only the distinct ones).

The product of its digits is 45360, while the sum is 36.

The square root of 5639472 is about 2374.7572507522. The cubic root of 5639472 is about 177.9970541952.

The spelling of 5639472 in words is "five million, six hundred thirty-nine thousand, four hundred seventy-two".