478834188 has 48 divisors (see below), whose sum is σ = 1278810624. Its totient is φ = 136604160.

The previous prime is 478834183. The next prime is 478834207. The reversal of 478834188 is 881438874.

It is a self number, because there is not a number n which added to its sum of digits gives 478834188.

It is not an unprimeable number, because it can be changed into a prime (478834183) 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, 57148 + ... + 64988.

It is an arithmetic number, because the mean of its divisors is an integer number (26641888).

Almost surely, 2^478834188 is an apocalyptic number.

It is an amenable number.

478834188 is an abundant number, since it is smaller than the sum of its proper divisors (799976436).

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

478834188 is a wasteful number, since it uses less digits than its factorization.

478834188 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8582 (or 8580 counting only the distinct ones).

The product of its digits is 1376256, while the sum is 51.

The square root of 478834188 is about 21882.2802285319. The cubic root of 478834188 is about 782.3391255054.

The spelling of 478834188 in words is "four hundred seventy-eight million, eight hundred thirty-four thousand, one hundred eighty-eight".