478485844 has 12 divisors (see below), whose sum is σ = 844761204. Its totient is φ = 237125504.

The previous prime is 478485841. The next prime is 478485851. The reversal of 478485844 is 448584874.

It can be written as a sum of positive squares in 2 ways, for example, as 2722500 + 475763344 = 1650^2 + 21812^2 .

It is a junction number, because it is equal to n+sod(n) for n = 478485791 and 478485800.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (478485841) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 528847 + ... + 529750.

It is an arithmetic number, because the mean of its divisors is an integer number (70396767).

Almost surely, 2^478485844 is an apocalyptic number.

It is an amenable number.

478485844 is a deficient number, since it is larger than the sum of its proper divisors (366275360).

478485844 is a wasteful number, since it uses less digits than its factorization.

478485844 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1058714 (or 1058712 counting only the distinct ones).

The product of its digits is 4587520, while the sum is 52.

The square root of 478485844 is about 21874.3192808371. The cubic root of 478485844 is about 782.1493665316.

The spelling of 478485844 in words is "four hundred seventy-eight million, four hundred eighty-five thousand, eight hundred forty-four".