4478885 has 4 divisors (see below), whose sum is σ = 5374668. Its totient is φ = 3583104.

The previous prime is 4478879. The next prime is 4478891. The reversal of 4478885 is 5888744.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (4478879) and next prime (4478891).

It can be written as a sum of positive squares in 2 ways, for example, as 857476 + 3621409 = 926^2 + 1903^2 .

It is a cyclic number.

It is not a de Polignac number, because 4478885 - 2⁴ = 4478869 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

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, 447884 + ... + 447893.

It is an arithmetic number, because the mean of its divisors is an integer number (1343667).

Almost surely, 2^4478885 is an apocalyptic number.

It is an amenable number.

4478885 is a deficient number, since it is larger than the sum of its proper divisors (895783).

4478885 is an equidigital number, since it uses as much as digits as its factorization.

4478885 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 895782.

The product of its digits is 286720, while the sum is 44.

The square root of 4478885 is about 2116.3376384689. The cubic root of 4478885 is about 164.8377345686.

The spelling of 4478885 in words is "four million, four hundred seventy-eight thousand, eight hundred eighty-five".