478927 has 2 divisors, whose sum is σ = 478928. Its totient is φ = 478926.

The previous prime is 478913. The next prime is 478931. The reversal of 478927 is 729874.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-478927 is a prime.

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

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (478937) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 239463 + 239464.

It is an arithmetic number, because the mean of its divisors is an integer number (239464).

2⁴⁷⁸⁹²⁷ is an apocalyptic number.

478927 is a deficient number, since it is larger than the sum of its proper divisors (1).

478927 is an equidigital number, since it uses as much as digits as its factorization.

478927 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 28224, while the sum is 37.

The square root of 478927 is about 692.0455187341. The cubic root of 478927 is about 78.2389668936.

The spelling of 478927 in words is "four hundred seventy-eight thousand, nine hundred twenty-seven".