478315 has 8 divisors (see below), whose sum is σ = 577728. Its totient is φ = 380160.

The previous prime is 478273. The next prime is 478321. The reversal of 478315 is 513874.

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

It is a de Polignac number, because none of the positive numbers 2^k-478315 is a prime.

It is a Duffinian 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, 1179 + ... + 1531.

It is an arithmetic number, because the mean of its divisors is an integer number (72216).

2⁴⁷⁸³¹⁵ is an apocalyptic number.

478315 is a deficient number, since it is larger than the sum of its proper divisors (99413).

478315 is a wasteful number, since it uses less digits than its factorization.

478315 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 629.

The product of its digits is 3360, while the sum is 28.

The square root of 478315 is about 691.6032099405. The cubic root of 478315 is about 78.2056266297.

The spelling of 478315 in words is "four hundred seventy-eight thousand, three hundred fifteen".