5638329 has 12 divisors (see below), whose sum is σ = 8446256. Its totient is φ = 3758724.

The previous prime is 5638327. The next prime is 5638349. The reversal of 5638329 is 9238365.

It is not a de Polignac number, because 5638329 - 2¹ = 5638327 is a prime.

It is an alternating number because its digits alternate between odd and even.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 5638293 and 5638302.

It is not an unprimeable number, because it can be changed into a prime (5638327) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 11359 + ... + 11844.

Almost surely, 2^5638329 is an apocalyptic number.

It is an amenable number.

5638329 is a deficient number, since it is larger than the sum of its proper divisors (2807927).

5638329 is an equidigital number, since it uses as much as digits as its factorization.

5638329 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23218 (or 23206 counting only the distinct ones).

The product of its digits is 38880, while the sum is 36.

The square root of 5638329 is about 2374.5165823805. The cubic root of 5638329 is about 177.9850279879.

Adding to 5638329 its sum of digits (36), we get a palindrome (5638365).

The spelling of 5638329 in words is "five million, six hundred thirty-eight thousand, three hundred twenty-nine".