5639363 has 4 divisors (see below), whose sum is σ = 5657808. Its totient is φ = 5620920.

The previous prime is 5639357. The next prime is 5639377. The reversal of 5639363 is 3639365.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-5639363 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5630363) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8756 + ... + 9377.

It is an arithmetic number, because the mean of its divisors is an integer number (1414452).

Almost surely, 2^5639363 is an apocalyptic number.

5639363 is a deficient number, since it is larger than the sum of its proper divisors (18445).

5639363 is a wasteful number, since it uses less digits than its factorization.

5639363 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18444.

The product of its digits is 43740, while the sum is 35.

The square root of 5639363 is about 2374.7343009272. The cubic root of 5639363 is about 177.9959074092.

The spelling of 5639363 in words is "five million, six hundred thirty-nine thousand, three hundred sixty-three".