4478863 has 2 divisors, whose sum is σ = 4478864. Its totient is φ = 4478862.

The previous prime is 4478861. The next prime is 4478869. The reversal of 4478863 is 3688744.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 4478863 - 2¹ = 4478861 is a prime.

Together with 4478861, it forms a pair of twin primes.

It is a plaindrome in base 16.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4478861) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2239431 + 2239432.

It is an arithmetic number, because the mean of its divisors is an integer number (2239432).

Almost surely, 2^4478863 is an apocalyptic number.

4478863 is a deficient number, since it is larger than the sum of its proper divisors (1).

4478863 is an equidigital number, since it uses as much as digits as its factorization.

4478863 is an evil number, because the sum of its binary digits is even.

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

The square root of 4478863 is about 2116.3324408041. The cubic root of 4478863 is about 164.8374646773.

The spelling of 4478863 in words is "four million, four hundred seventy-eight thousand, eight hundred sixty-three".