4478085 has 20 divisors (see below), whose sum is σ = 8028108. Its totient is φ = 2388096.

The previous prime is 4478083. The next prime is 4478087. The reversal of 4478085 is 5808744.

It is an interprime number because it is at equal distance from previous prime (4478083) and next prime (4478087).

It can be written as a sum of positive squares in 2 ways, for example, as 1205604 + 3272481 = 1098^2 + 1809^2 .

It is not a de Polignac number, because 4478085 - 2¹ = 4478083 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4478081) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 5124 + ... + 5933.

Almost surely, 2^4478085 is an apocalyptic number.

4478085 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

It is an amenable number.

4478085 is a deficient number, since it is larger than the sum of its proper divisors (3550023).

4478085 is a wasteful number, since it uses less digits than its factorization.

4478085 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11074 (or 11065 counting only the distinct ones).

The product of its (nonzero) digits is 35840, while the sum is 36.

The square root of 4478085 is about 2116.1486242700. The cubic root of 4478085 is about 164.8279197717.

The spelling of 4478085 in words is "four million, four hundred seventy-eight thousand, eighty-five".