478630338 has 32 divisors (see below), whose sum is σ = 966822912. Its totient is φ = 157958400.

The previous prime is 478630337. The next prime is 478630403. The reversal of 478630338 is 833036874.

It is a self number, because there is not a number n which added to its sum of digits gives 478630338.

It is not an unprimeable number, because it can be changed into a prime (478630337) 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 15 ways as a sum of consecutive naturals, for example, 275320 + ... + 277052.

It is an arithmetic number, because the mean of its divisors is an integer number (30213216).

Almost surely, 2^478630338 is an apocalyptic number.

478630338 is an abundant number, since it is smaller than the sum of its proper divisors (488192574).

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

478630338 is a wasteful number, since it uses less digits than its factorization.

478630338 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2170.

The product of its (nonzero) digits is 290304, while the sum is 42.

The square root of 478630338 is about 21877.6218543058. The cubic root of 478630338 is about 782.2280902233.

The spelling of 478630338 in words is "four hundred seventy-eight million, six hundred thirty thousand, three hundred thirty-eight".