4089566 has 8 divisors (see below), whose sum is σ = 6606264. Its totient is φ = 1887480.

The previous prime is 4089563. The next prime is 4089581. The reversal of 4089566 is 6659804.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4089563) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 78620 + ... + 78671.

It is an arithmetic number, because the mean of its divisors is an integer number (825783).

Almost surely, 2^4089566 is an apocalyptic number.

4089566 is a deficient number, since it is larger than the sum of its proper divisors (2516698).

4089566 is a wasteful number, since it uses less digits than its factorization.

4089566 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 157306.

The product of its (nonzero) digits is 51840, while the sum is 38.

The square root of 4089566 is about 2022.2675391748. The cubic root of 4089566 is about 159.9161800549.

The spelling of 4089566 in words is "four million, eighty-nine thousand, five hundred sixty-six".