5666379 has 4 divisors (see below), whose sum is σ = 7555176. Its totient is φ = 3777584.

The previous prime is 5666377. The next prime is 5666383. The reversal of 5666379 is 9736665.

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 5666379 - 2¹ = 5666377 is a prime.

It is a D-number.

5666379 is a lucky number.

It is a self number, because there is not a number n which added to its sum of digits gives 5666379.

It is not an unprimeable number, because it can be changed into a prime (5666377) 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, 944394 + ... + 944399.

It is an arithmetic number, because the mean of its divisors is an integer number (1888794).

Almost surely, 2^5666379 is an apocalyptic number.

5666379 is a deficient number, since it is larger than the sum of its proper divisors (1888797).

5666379 is a wasteful number, since it uses less digits than its factorization.

5666379 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1888796.

The product of its digits is 204120, while the sum is 42.

The square root of 5666379 is about 2380.4157199951. The cubic root of 5666379 is about 178.2796911672.

The spelling of 5666379 in words is "five million, six hundred sixty-six thousand, three hundred seventy-nine".