5638319 has 8 divisors (see below), whose sum is σ = 5854128. Its totient is φ = 5425920.

The previous prime is 5638313. The next prime is 5638327. The reversal of 5638319 is 9138365.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-5638319 is a prime.

It is a super-2 number, since 2×5638319² = 63581282291522, which contains 22 as substring.

It is an Ulam number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5638313) 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 7 ways as a sum of consecutive naturals, for example, 2804 + ... + 4374.

It is an arithmetic number, because the mean of its divisors is an integer number (731766).

Almost surely, 2^5638319 is an apocalyptic number.

5638319 is a deficient number, since it is larger than the sum of its proper divisors (215809).

5638319 is a wasteful number, since it uses less digits than its factorization.

5638319 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1705.

The product of its digits is 19440, while the sum is 35.

The square root of 5638319 is about 2374.5144766878. The cubic root of 5638319 is about 177.9849227645.

The spelling of 5638319 in words is "five million, six hundred thirty-eight thousand, three hundred nineteen".