5639043 has 8 divisors (see below), whose sum is σ = 7646400. Its totient is φ = 3695528.

The previous prime is 5639027. The next prime is 5639069. The reversal of 5639043 is 3409365.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 5639043 - 2⁴ = 5639027 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 5639043.

It is not an unprimeable number, because it can be changed into a prime (5639003) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15753 + ... + 16106.

It is an arithmetic number, because the mean of its divisors is an integer number (955800).

Almost surely, 2^5639043 is an apocalyptic number.

5639043 is a deficient number, since it is larger than the sum of its proper divisors (2007357).

5639043 is a wasteful number, since it uses less digits than its factorization.

5639043 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31921.

The product of its (nonzero) digits is 9720, while the sum is 30.

The square root of 5639043 is about 2374.6669240127. Note that the first 3 decimals coincide. The cubic root of 5639043 is about 177.9925406124.

The spelling of 5639043 in words is "five million, six hundred thirty-nine thousand, forty-three".