478322 has 8 divisors (see below), whose sum is σ = 772716. Its totient is φ = 220752.

The previous prime is 478321. The next prime is 478339. The reversal of 478322 is 223874.

It can be written as a sum of positive squares in 2 ways, for example, as 477481 + 841 = 691^2 + 29^2 .

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

It is a Harshad number since it is a multiple of its sum of digits (26), and also a Moran number because the ratio is a prime number: 18397 = 478322 / (4 + 7 + 8 + 3 + 2 + 2).

It is a junction number, because it is equal to n+sod(n) for n = 478291 and 478300.

It is not an unprimeable number, because it can be changed into a prime (478321) 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, 9173 + ... + 9224.

2⁴⁷⁸³²² is an apocalyptic number.

478322 is a deficient number, since it is larger than the sum of its proper divisors (294394).

478322 is a wasteful number, since it uses less digits than its factorization.

478322 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18412.

The product of its digits is 2688, while the sum is 26.

The square root of 478322 is about 691.6082706272. The cubic root of 478322 is about 78.2060081333.

The spelling of 478322 in words is "four hundred seventy-eight thousand, three hundred twenty-two".