9478 has 8 divisors (see below), whose sum is σ = 16272. Its totient is φ = 4056.

The previous prime is 9473. The next prime is 9479. The reversal of 9478 is 8749.

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

It is a d-powerful number, because it can be written as 9⁴ + 7⁴ + 4 + 8³ .

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

It is a plaindrome in base 12.

It is a nialpdrome in base 13.

It is a zygodrome in base 13.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9473) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (5) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 325 + ... + 352.

It is an arithmetic number, because the mean of its divisors is an integer number (2034).

2⁹⁴⁷⁸ is an apocalyptic number.

9478 is a deficient number, since it is larger than the sum of its proper divisors (6794).

9478 is a wasteful number, since it uses less digits than its factorization.

9478 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 686.

The product of its digits is 2016, while the sum is 28.

The square root of 9478 is about 97.3550204150. The cubic root of 9478 is about 21.1627564921.

Subtracting from 9478 its reverse (8749), we obtain a 6-th power (729 = 3⁶).

The spelling of 9478 in words is "nine thousand, four hundred seventy-eight".