5643388 has 24 divisors (see below), whose sum is σ = 10744272. Its totient is φ = 2582784.

The previous prime is 5643383. The next prime is 5643389. The reversal of 5643388 is 8833465.

It is a Harshad number since it is a multiple of its sum of digits (37).

It is a plaindrome in base 13.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5643383) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1395 + ... + 3637.

It is an arithmetic number, because the mean of its divisors is an integer number (447678).

Almost surely, 2^5643388 is an apocalyptic number.

It is an amenable number.

5643388 is a deficient number, since it is larger than the sum of its proper divisors (5100884).

5643388 is a wasteful number, since it uses less digits than its factorization.

5643388 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2301 (or 2299 counting only the distinct ones).

The product of its digits is 69120, while the sum is 37.

The square root of 5643388 is about 2375.5816129950. The cubic root of 5643388 is about 178.0382445282.

The spelling of 5643388 in words is "five million, six hundred forty-three thousand, three hundred eighty-eight".