478424 has 16 divisors (see below), whose sum is σ = 909600. Its totient is φ = 235872.

The previous prime is 478421. The next prime is 478427. The reversal of 478424 is 424874.

It is an interprime number because it is at equal distance from previous prime (478421) and next prime (478427).

It is a plaindrome in base 13.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 478424.

It is not an unprimeable number, because it can be changed into a prime (478421) 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, 254 + ... + 1010.

It is an arithmetic number, because the mean of its divisors is an integer number (56850).

2⁴⁷⁸⁴²⁴ is an apocalyptic number.

It is an amenable number.

478424 is a deficient number, since it is larger than the sum of its proper divisors (431176).

478424 is a wasteful number, since it uses less digits than its factorization.

478424 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 842 (or 838 counting only the distinct ones).

The product of its digits is 7168, while the sum is 29.

The square root of 478424 is about 691.6820078620. The cubic root of 478424 is about 78.2115667639.

The spelling of 478424 in words is "four hundred seventy-eight thousand, four hundred twenty-four".