478205292 has 24 divisors (see below), whose sum is σ = 1124601856. Its totient is φ = 158146128.

The previous prime is 478205209. The next prime is 478205293. The reversal of 478205292 is 292502874.

It is a self number, because there is not a number n which added to its sum of digits gives 478205292.

It is not an unprimeable number, because it can be changed into a prime (478205293) 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 7 ways as a sum of consecutive naturals, for example, 155368 + ... + 158415.

Almost surely, 2^478205292 is an apocalyptic number.

It is an amenable number.

478205292 is an abundant number, since it is smaller than the sum of its proper divisors (646396564).

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

478205292 is a wasteful number, since it uses less digits than its factorization.

478205292 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 313917 (or 313915 counting only the distinct ones).

The product of its (nonzero) digits is 80640, while the sum is 39.

The square root of 478205292 is about 21867.9055238493. The cubic root of 478205292 is about 781.9964700054.

The spelling of 478205292 in words is "four hundred seventy-eight million, two hundred five thousand, two hundred ninety-two".