478351446 has 8 divisors (see below), whose sum is σ = 956702904. Its totient is φ = 159450480.

The previous prime is 478351417. The next prime is 478351451. The reversal of 478351446 is 644153874.

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

478351446 is an admirable number.

It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a junction number, because it is equal to n+sod(n) for n = 478351398 and 478351407.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 39862615 + ... + 39862626.

It is an arithmetic number, because the mean of its divisors is an integer number (119587863).

Almost surely, 2^478351446 is an apocalyptic number.

478351446 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

478351446 is a wasteful number, since it uses less digits than its factorization.

478351446 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 79725246.

The product of its digits is 322560, while the sum is 42.

The square root of 478351446 is about 21871.2470152024. The cubic root of 478351446 is about 782.0761291478.

The spelling of 478351446 in words is "four hundred seventy-eight million, three hundred fifty-one thousand, four hundred forty-six".