478219 has 8 divisors (see below), whose sum is σ = 557280. Its totient is φ = 401856.

The previous prime is 478213. The next prime is 478241. The reversal of 478219 is 912874.

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-478219 is a prime.

It is a super-2 number, since 2×478219² = 457386823922, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (478213) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 274 + ... + 1015.

It is an arithmetic number, because the mean of its divisors is an integer number (69660).

2⁴⁷⁸²¹⁹ is an apocalyptic number.

478219 is a deficient number, since it is larger than the sum of its proper divisors (79061).

478219 is a wasteful number, since it uses less digits than its factorization.

478219 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1349.

The product of its digits is 4032, while the sum is 31.

The square root of 478219 is about 691.5338024999. The cubic root of 478219 is about 78.2003942044.

The spelling of 478219 in words is "four hundred seventy-eight thousand, two hundred nineteen".