4478528 has 56 divisors (see below), whose sum is σ = 9753600. Its totient is φ = 2032128.

The previous prime is 4478527. The next prime is 4478533. The reversal of 4478528 is 8258744.

It is a Harshad number since it is a multiple of its sum of digits (38).

It is a d-powerful number, because it can be written as 4⁵ + 4¹¹ + 7⁵ + 8⁴ + 5² + 2⁷ + 8⁶ .

It is a junction number, because it is equal to n+sod(n) for n = 4478491 and 4478500.

It is not an unprimeable number, because it can be changed into a prime (4478527) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 35201 + ... + 35327.

Almost surely, 2^4478528 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 4478528, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4876800).

4478528 is an abundant number, since it is smaller than the sum of its proper divisors (5275072).

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

4478528 is a wasteful number, since it uses less digits than its factorization.

4478528 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 187 (or 177 counting only the distinct ones).

The product of its digits is 71680, while the sum is 38.

The square root of 4478528 is about 2116.2532929685. The cubic root of 4478528 is about 164.8333548599.

The spelling of 4478528 in words is "four million, four hundred seventy-eight thousand, five hundred twenty-eight".