4478866 has 8 divisors (see below), whose sum is σ = 7678080. Its totient is φ = 1919508.

The previous prime is 4478863. The next prime is 4478869. The reversal of 4478866 is 6688744.

It is an interprime number because it is at equal distance from previous prime (4478863) and next prime (4478869).

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

It is not an unprimeable number, because it can be changed into a prime (4478861) 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, 159946 + ... + 159973.

It is an arithmetic number, because the mean of its divisors is an integer number (959760).

Almost surely, 2^4478866 is an apocalyptic number.

4478866 is a deficient number, since it is larger than the sum of its proper divisors (3199214).

4478866 is a wasteful number, since it uses less digits than its factorization.

4478866 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 319928.

The product of its digits is 258048, while the sum is 43.

The square root of 4478866 is about 2116.3331495774. Note that the first 3 decimals coincide. The cubic root of 4478866 is about 164.8375014807.

The spelling of 4478866 in words is "four million, four hundred seventy-eight thousand, eight hundred sixty-six".