5643404 has 24 divisors (see below), whose sum is σ = 10899168. Its totient is φ = 2540160.

The previous prime is 5643389. The next prime is 5643413. The reversal of 5643404 is 4043465.

It is a Harshad number since it is a multiple of its sum of digits (26).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 809 + ... + 3455.

It is an arithmetic number, because the mean of its divisors is an integer number (454132).

Almost surely, 2^5643404 is an apocalyptic number.

It is an amenable number.

5643404 is a deficient number, since it is larger than the sum of its proper divisors (5255764).

5643404 is a wasteful number, since it uses less digits than its factorization.

5643404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2705 (or 2703 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 26.

The square root of 5643404 is about 2375.5849805890. The cubic root of 5643404 is about 178.0384127846.

Adding to 5643404 its reverse (4043465), we get a palindrome (9686869).

The spelling of 5643404 in words is "five million, six hundred forty-three thousand, four hundred four".