478039318 has 8 divisors (see below), whose sum is σ = 718848360. Its totient is φ = 238423200.

The previous prime is 478039301. The next prime is 478039319. The reversal of 478039318 is 813930874.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (478039319) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 297228 + ... + 298831.

It is an arithmetic number, because the mean of its divisors is an integer number (89856045).

Almost surely, 2^478039318 is an apocalyptic number.

478039318 is a deficient number, since it is larger than the sum of its proper divisors (240809042).

478039318 is a wasteful number, since it uses less digits than its factorization.

478039318 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 596462.

The product of its (nonzero) digits is 145152, while the sum is 43.

The square root of 478039318 is about 21864.1102723161. The cubic root of 478039318 is about 781.9059885720.

It can be divided in two parts, 47803 and 9318, that added together give a square (57121 = 239²).

The spelling of 478039318 in words is "four hundred seventy-eight million, thirty-nine thousand, three hundred eighteen".