5642443 has 8 divisors (see below), whose sum is σ = 5896800. Its totient is φ = 5392128.

The previous prime is 5642407. The next prime is 5642459. The reversal of 5642443 is 3442465.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 5642443 - 2⁹ = 5641931 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5642743) 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 7 ways as a sum of consecutive naturals, for example, 2043 + ... + 3931.

It is an arithmetic number, because the mean of its divisors is an integer number (737100).

Almost surely, 2^5642443 is an apocalyptic number.

5642443 is a deficient number, since it is larger than the sum of its proper divisors (254357).

5642443 is a wasteful number, since it uses less digits than its factorization.

5642443 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2021.

The product of its digits is 11520, while the sum is 28.

The square root of 5642443 is about 2375.3827060076. The cubic root of 5642443 is about 178.0283063177.

The spelling of 5642443 in words is "five million, six hundred forty-two thousand, four hundred forty-three".