4478682 has 32 divisors (see below), whose sum is σ = 9801792. Its totient is φ = 1355904.

The previous prime is 4478671. The next prime is 4478687. The reversal of 4478682 is 2868744.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a plaindrome in base 11.

It is a self number, because there is not a number n which added to its sum of digits gives 4478682.

It is not an unprimeable number, because it can be changed into a prime (4478687) 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 15 ways as a sum of consecutive naturals, for example, 4798 + ... + 5654.

It is an arithmetic number, because the mean of its divisors is an integer number (306306).

Almost surely, 2^4478682 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4478682, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4900896).

4478682 is an abundant number, since it is smaller than the sum of its proper divisors (5323110).

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

4478682 is a wasteful number, since it uses less digits than its factorization.

4478682 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 942.

The product of its digits is 86016, while the sum is 39.

The square root of 4478682 is about 2116.2896777143. The cubic root of 4478682 is about 164.8352441745.

The spelling of 4478682 in words is "four million, four hundred seventy-eight thousand, six hundred eighty-two".