4089287 has 2 divisors, whose sum is σ = 4089288. Its totient is φ = 4089286.

The previous prime is 4089271. The next prime is 4089289. The reversal of 4089287 is 7829804.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 4089287 - 2⁴ = 4089271 is a prime.

Together with 4089289, it forms a pair of twin primes.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 4089287.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4089289) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2044643 + 2044644.

It is an arithmetic number, because the mean of its divisors is an integer number (2044644).

Almost surely, 2^4089287 is an apocalyptic number.

4089287 is a deficient number, since it is larger than the sum of its proper divisors (1).

4089287 is an equidigital number, since it uses as much as digits as its factorization.

4089287 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 32256, while the sum is 38.

The square root of 4089287 is about 2022.1985560276. The cubic root of 4089287 is about 159.9125433504.

The spelling of 4089287 in words is "four million, eighty-nine thousand, two hundred eighty-seven".