478229 has 4 divisors (see below), whose sum is σ = 482976. Its totient is φ = 473484.

The previous prime is 478213. The next prime is 478241. The reversal of 478229 is 922874.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 922874 = 2 ⋅461437.

It is a cyclic number.

It is not a de Polignac number, because 478229 - 2⁴ = 478213 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 478195 and 478204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (478259) 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, 2219 + ... + 2424.

It is an arithmetic number, because the mean of its divisors is an integer number (120744).

2⁴⁷⁸²²⁹ is an apocalyptic number.

It is an amenable number.

478229 is a deficient number, since it is larger than the sum of its proper divisors (4747).

478229 is a wasteful number, since it uses less digits than its factorization.

478229 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4746.

The product of its digits is 8064, while the sum is 32.

The square root of 478229 is about 691.5410327667. The cubic root of 478229 is about 78.2009392814.

It can be divided in two parts, 478 and 229, that added together give a palindrome (707).

The spelling of 478229 in words is "four hundred seventy-eight thousand, two hundred twenty-nine".