5638311 has 24 divisors (see below), whose sum is σ = 9611264. Its totient is φ = 3116880.

The previous prime is 5638277. The next prime is 5638313. The reversal of 5638311 is 1138365.

5638311 = 90³ + 91³ + ... + 96³.

It is not a de Polignac number, because 5638311 - 2⁶ = 5638247 is a prime.

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 polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 510 + ... + 3396.

Almost surely, 2^5638311 is an apocalyptic number.

5638311 is a deficient number, since it is larger than the sum of its proper divisors (3972953).

5638311 is a wasteful number, since it uses less digits than its factorization.

5638311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2931 (or 2928 counting only the distinct ones).

The product of its digits is 2160, while the sum is 27.

The square root of 5638311 is about 2374.5127921323. The cubic root of 5638311 is about 177.9848385858.

The spelling of 5638311 in words is "five million, six hundred thirty-eight thousand, three hundred eleven".