478328922 has 64 divisors (see below), whose sum is σ = 1094808960. Its totient is φ = 154732032.

The previous prime is 478328899. The next prime is 478328927. The reversal of 478328922 is 229823874.

It is not an unprimeable number, because it can be changed into a prime (478328927) 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 31 ways as a sum of consecutive naturals, for example, 276753 + ... + 278475.

It is an arithmetic number, because the mean of its divisors is an integer number (17106390).

Almost surely, 2^478328922 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 478328922, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (547404480).

478328922 is an abundant number, since it is smaller than the sum of its proper divisors (616480038).

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

478328922 is a wasteful number, since it uses less digits than its factorization.

478328922 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1884 (or 1878 counting only the distinct ones).

The product of its digits is 387072, while the sum is 45.

The square root of 478328922 is about 21870.7320865123. The cubic root of 478328922 is about 782.0638538222.

The spelling of 478328922 in words is "four hundred seventy-eight million, three hundred twenty-eight thousand, nine hundred twenty-two".