4089863 has 4 divisors (see below), whose sum is σ = 4111248. Its totient is φ = 4068480.

The previous prime is 4089853. The next prime is 4089871. The reversal of 4089863 is 3689804.

4089863 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 4089863 - 2⁴ = 4089847 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4089823) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10403 + ... + 10788.

It is an arithmetic number, because the mean of its divisors is an integer number (1027812).

Almost surely, 2^4089863 is an apocalyptic number.

4089863 is a deficient number, since it is larger than the sum of its proper divisors (21385).

4089863 is a wasteful number, since it uses less digits than its factorization.

4089863 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21384.

The product of its (nonzero) digits is 41472, while the sum is 38.

The square root of 4089863 is about 2022.3409702619. The cubic root of 4089863 is about 159.9200512037.

The spelling of 4089863 in words is "four million, eighty-nine thousand, eight hundred sixty-three".