5638365 has 24 divisors (see below), whose sum is σ = 9872928. Its totient is φ = 2976480.

The previous prime is 5638363. The next prime is 5638379.

5638365 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 5638365 - 2¹ = 5638363 is a prime.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5638363) 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 23 ways as a sum of consecutive naturals, for example, 4230 + ... + 5400.

It is an arithmetic number, because the mean of its divisors is an integer number (411372).

Almost surely, 2^5638365 is an apocalyptic number.

It is an amenable number.

5638365 is a deficient number, since it is larger than the sum of its proper divisors (4234563).

5638365 is a wasteful number, since it uses less digits than its factorization.

5638365 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1289 (or 1286 counting only the distinct ones).

The product of its digits is 64800, while the sum is 36.

The square root of 5638365 is about 2374.5241628587. The cubic root of 5638365 is about 177.9854067908.

The spelling of 5638365 in words is "five million, six hundred thirty-eight thousand, three hundred sixty-five".