478339914 has 64 divisors (see below), whose sum is σ = 1098558720. Its totient is φ = 137548800.

The previous prime is 478339879. The next prime is 478339919. The reversal of 478339914 is 419933874.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (478339919) 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, 199032 + ... + 201420.

It is an arithmetic number, because the mean of its divisors is an integer number (17164980).

Almost surely, 2^478339914 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 478339914, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (549279360).

478339914 is an abundant number, since it is smaller than the sum of its proper divisors (620218806).

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

478339914 is a wasteful number, since it uses less digits than its factorization.

478339914 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2575.

The product of its digits is 653184, while the sum is 48.

The square root of 478339914 is about 21870.9833798117. The cubic root of 478339914 is about 782.0698443862.

The spelling of 478339914 in words is "four hundred seventy-eight million, three hundred thirty-nine thousand, nine hundred fourteen".