4478782 has 32 divisors (see below), whose sum is σ = 8478720. Its totient is φ = 1723680.

The previous prime is 4478779. The next prime is 4478783. The reversal of 4478782 is 2878744.

It is a happy number.

4478782 is digitally balanced in base 8, because in such base it contains all the possibile digits an equal number of times.

It is a d-powerful number, because it can be written as 4⁵ + 4⁹ + 7³ + 8² + 7⁵ + 8⁴ + 2²² .

4478782 is strictly pandigital in base 8.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4478783) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 19444 + ... + 19672.

It is an arithmetic number, because the mean of its divisors is an integer number (264960).

Almost surely, 2^4478782 is an apocalyptic number.

4478782 is a deficient number, since it is larger than the sum of its proper divisors (3999938).

4478782 is a wasteful number, since it uses less digits than its factorization.

4478782 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 376.

The product of its digits is 100352, while the sum is 40.

The square root of 4478782 is about 2116.3133038376. The cubic root of 4478782 is about 164.8364709790.

It can be divided in two parts, 447 and 8782, that added together give a palindrome (9229).

The spelling of 4478782 in words is "four million, four hundred seventy-eight thousand, seven hundred eighty-two".