5666983 has 4 divisors (see below), whose sum is σ = 6476560. Its totient is φ = 4857408.

The previous prime is 5666981. The next prime is 5666987. The reversal of 5666983 is 3896665.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 5666983 - 2¹ = 5666981 is a prime.

It is a super-2 number, since 2×5666983² = 64229392644578, which contains 22 as substring.

It is a Duffinian number.

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 (5666981) 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 3 ways as a sum of consecutive naturals, for example, 404778 + ... + 404791.

It is an arithmetic number, because the mean of its divisors is an integer number (1619140).

Almost surely, 2^5666983 is an apocalyptic number.

5666983 is a deficient number, since it is larger than the sum of its proper divisors (809577).

5666983 is an equidigital number, since it uses as much as digits as its factorization.

5666983 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 809576.

The product of its digits is 233280, while the sum is 43.

The square root of 5666983 is about 2380.5425852104. The cubic root of 5666983 is about 178.2860254362.

The spelling of 5666983 in words is "five million, six hundred sixty-six thousand, nine hundred eighty-three".