478307846 has 16 divisors (see below), whose sum is σ = 742888800. Its totient is φ = 230693568.

The previous prime is 478307833. The next prime is 478307887. The reversal of 478307846 is 648703874.

It is a self number, because there is not a number n which added to its sum of digits gives 478307846.

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 7 ways as a sum of consecutive naturals, for example, 72410 + ... + 78738.

It is an arithmetic number, because the mean of its divisors is an integer number (46430550).

Almost surely, 2^478307846 is an apocalyptic number.

478307846 is a deficient number, since it is larger than the sum of its proper divisors (264580954).

478307846 is a wasteful number, since it uses less digits than its factorization.

478307846 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7663.

The product of its (nonzero) digits is 903168, while the sum is 47.

The square root of 478307846 is about 21870.2502500543. The cubic root of 478307846 is about 782.0523672913.

The spelling of 478307846 in words is "four hundred seventy-eight million, three hundred seven thousand, eight hundred forty-six".