478403 has 2 divisors, whose sum is σ = 478404. Its totient is φ = 478402.

The previous prime is 478399. The next prime is 478411. The reversal of 478403 is 304874.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 478403 - 2² = 478399 is a prime.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 478403.

It is not a weakly prime, because it can be changed into another prime (478433) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 239201 + 239202.

It is an arithmetic number, because the mean of its divisors is an integer number (239202).

2⁴⁷⁸⁴⁰³ is an apocalyptic number.

478403 is a deficient number, since it is larger than the sum of its proper divisors (1).

478403 is an equidigital number, since it uses as much as digits as its factorization.

478403 is an evil number, because the sum of its binary digits is even.

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

The square root of 478403 is about 691.6668273092. Note that the first 3 decimals coincide. The cubic root of 478403 is about 78.2104224045.

The spelling of 478403 in words is "four hundred seventy-eight thousand, four hundred three".