478296009 has 40 divisors (see below), whose sum is σ = 745189632. Its totient is φ = 305454240.

The previous prime is 478295999. The next prime is 478296011. The reversal of 478296009 is 900692874.

It is a happy number.

It is not a de Polignac number, because 478296009 - 2⁵ = 478295977 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (478296019) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 183304 + ... + 185894.

Almost surely, 2^478296009 is an apocalyptic number.

It is an amenable number.

478296009 is a deficient number, since it is larger than the sum of its proper divisors (266893623).

478296009 is a wasteful number, since it uses less digits than its factorization.

478296009 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2699 (or 2690 counting only the distinct ones).

The product of its (nonzero) digits is 217728, while the sum is 45.

The square root of 478296009 is about 21869.9796296201. The cubic root of 478296009 is about 782.0459159160.

The spelling of 478296009 in words is "four hundred seventy-eight million, two hundred ninety-six thousand, nine".