4478020 has 48 divisors (see below), whose sum is σ = 9934848. Its totient is φ = 1693440.

The previous prime is 4478017. The next prime is 4478059. The reversal of 4478020 is 208744.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 35197 + ... + 35323.

It is an arithmetic number, because the mean of its divisors is an integer number (206976).

Almost surely, 2^4478020 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4478020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4967424).

4478020 is an abundant number, since it is smaller than the sum of its proper divisors (5456828).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

4478020 is a wasteful number, since it uses less digits than its factorization.

4478020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 220 (or 218 counting only the distinct ones).

The product of its (nonzero) digits is 1792, while the sum is 25.

The square root of 4478020 is about 2116.1332661248. The cubic root of 4478020 is about 164.8271222681.

The spelling of 4478020 in words is "four million, four hundred seventy-eight thousand, twenty".