478039 has 2 divisors, whose sum is σ = 478040. Its totient is φ = 478038.

The previous prime is 478001. The next prime is 478063. The reversal of 478039 is 930874.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 478039 - 2¹¹ = 475991 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 478039.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (478069) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 239019 + 239020.

It is an arithmetic number, because the mean of its divisors is an integer number (239020).

2⁴⁷⁸⁰³⁹ is an apocalyptic number.

478039 is a deficient number, since it is larger than the sum of its proper divisors (1).

478039 is an equidigital number, since it uses as much as digits as its factorization.

478039 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6048, while the sum is 31.

The square root of 478039 is about 691.4036447691. The cubic root of 478039 is about 78.1905815193.

The spelling of 478039 in words is "four hundred seventy-eight thousand, thirty-nine".