5666243 has 8 divisors (see below), whose sum is σ = 6202416. Its totient is φ = 5133600.

The previous prime is 5666233. The next prime is 5666249. The reversal of 5666243 is 3426665.

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 5666243 - 2¹⁸ = 5404099 is a prime.

It is not an unprimeable number, because it can be changed into a prime (5666249) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3413 + ... + 4793.

It is an arithmetic number, because the mean of its divisors is an integer number (775302).

Almost surely, 2^5666243 is an apocalyptic number.

5666243 is a deficient number, since it is larger than the sum of its proper divisors (536173).

5666243 is a wasteful number, since it uses less digits than its factorization.

5666243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1765.

The product of its digits is 25920, while the sum is 32.

The square root of 5666243 is about 2380.3871533849. The cubic root of 5666243 is about 178.2782648458.

The spelling of 5666243 in words is "five million, six hundred sixty-six thousand, two hundred forty-three".