4487863 has 4 divisors (see below), whose sum is σ = 4496968. Its totient is φ = 4478760.

The previous prime is 4487849. The next prime is 4487869. The reversal of 4487863 is 3687844.

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 4487863 - 2¹⁷ = 4356791 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4487869) 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, 3768 + ... + 4813.

It is an arithmetic number, because the mean of its divisors is an integer number (1124242).

Almost surely, 2^4487863 is an apocalyptic number.

4487863 is a deficient number, since it is larger than the sum of its proper divisors (9105).

4487863 is an equidigital number, since it uses as much as digits as its factorization.

4487863 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9104.

The product of its digits is 129024, while the sum is 40.

The square root of 4487863 is about 2118.4576937008. The cubic root of 4487863 is about 164.9478010579.

The spelling of 4487863 in words is "four million, four hundred eighty-seven thousand, eight hundred sixty-three".