478347 has 8 divisors (see below), whose sum is σ = 653520. Its totient is φ = 311040.

The previous prime is 478343. The next prime is 478351. The reversal of 478347 is 743874.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (478343) and next prime (478351).

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

It is not a de Polignac number, because 478347 - 2² = 478343 is a prime.

It is a d-powerful number, because it can be written as 4⁸ + 7 + 3⁵ + 8⁵ + 4⁹ + 7⁶ .

It is an alternating number because its digits alternate between even and odd.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 478347.

It is not an unprimeable number, because it can be changed into a prime (478343) 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, 1822 + ... + 2067.

It is an arithmetic number, because the mean of its divisors is an integer number (81690).

2⁴⁷⁸³⁴⁷ is an apocalyptic number.

478347 is a deficient number, since it is larger than the sum of its proper divisors (175173).

478347 is a wasteful number, since it uses less digits than its factorization.

478347 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3933.

The product of its digits is 18816, while the sum is 33.

The square root of 478347 is about 691.6263442062. The cubic root of 478347 is about 78.2073706159.

Adding to 478347 its reverse (743874), we get a palindrome (1222221).

The spelling of 478347 in words is "four hundred seventy-eight thousand, three hundred forty-seven".