478815384 has 32 divisors (see below), whose sum is σ = 1226237040. Its totient is φ = 155712000.

The previous prime is 478815383. The next prime is 478815401. The reversal of 478815384 is 483518874.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (478815383) 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 7 ways as a sum of consecutive naturals, for example, 242317 + ... + 244284.

Almost surely, 2^478815384 is an apocalyptic number.

It is an amenable number.

478815384 is an abundant number, since it is smaller than the sum of its proper divisors (747421656).

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

478815384 is a wasteful number, since it uses less digits than its factorization.

478815384 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 486651 (or 486647 counting only the distinct ones).

The product of its digits is 860160, while the sum is 48.

The square root of 478815384 is about 21881.8505615956. The cubic root of 478815384 is about 782.3288844534.

The spelling of 478815384 in words is "four hundred seventy-eight million, eight hundred fifteen thousand, three hundred eighty-four".