5643874 has 12 divisors (see below), whose sum is σ = 8935974. Its totient is φ = 2673072.

The previous prime is 5643857. The next prime is 5643877. The reversal of 5643874 is 4783465.

It can be written as a sum of positive squares in only one way, i.e., 5640625 + 3249 = 2375^2 + 57^2 .

It is not an unprimeable number, because it can be changed into a prime (5643877) 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 5 ways as a sum of consecutive naturals, for example, 3187 + ... + 4630.

Almost surely, 2^5643874 is an apocalyptic number.

5643874 is a deficient number, since it is larger than the sum of its proper divisors (3292100).

5643874 is a wasteful number, since it uses less digits than its factorization.

5643874 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7857 (or 7838 counting only the distinct ones).

The product of its digits is 80640, while the sum is 37.

The square root of 5643874 is about 2375.6839015324. The cubic root of 5643874 is about 178.0433551758.

The spelling of 5643874 in words is "five million, six hundred forty-three thousand, eight hundred seventy-four".