4478652 has 60 divisors (see below), whose sum is σ = 12237456. Its totient is φ = 1425600.

The previous prime is 4478647. The next prime is 4478653. The reversal of 4478652 is 2568744.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a d-powerful number, because it can be written as 4⁹ + 4¹¹ + 7⁵ + 8 + 6³ + 5⁵ + 2¹¹ .

Its product of digits (53760) is a multiple of the sum of its prime factors (640).

It is a plaindrome in base 16.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4478653) by changing a digit.

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 19 ways as a sum of consecutive naturals, for example, 7152 + ... + 7752.

Almost surely, 2^4478652 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 4478652, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6118728).

4478652 is an abundant number, since it is smaller than the sum of its proper divisors (7758804).

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

4478652 is a wasteful number, since it uses less digits than its factorization.

4478652 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 640 (or 629 counting only the distinct ones).

The product of its digits is 53760, while the sum is 36.

The square root of 4478652 is about 2116.2825898258. The cubic root of 4478652 is about 164.8348761296.

The spelling of 4478652 in words is "four million, four hundred seventy-eight thousand, six hundred fifty-two".