478873 has 6 divisors (see below), whose sum is σ = 509006. Its totient is φ = 450432.

The previous prime is 478871. The next prime is 478879. The reversal of 478873 is 378874.

It can be written as a sum of positive squares in 3 ways, for example, as 150544 + 328329 = 388^2 + 573^2 .

It is not a de Polignac number, because 478873 - 2¹ = 478871 is a prime.

It is a Duffinian number.

478873 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (478871) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 540 + ... + 1117.

2⁴⁷⁸⁸⁷³ is an apocalyptic number.

It is an amenable number.

478873 is a deficient number, since it is larger than the sum of its proper divisors (30133).

478873 is a wasteful number, since it uses less digits than its factorization.

478873 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1691 (or 1674 counting only the distinct ones).

The product of its digits is 37632, while the sum is 37.

The square root of 478873 is about 692.0065028596. The cubic root of 478873 is about 78.2360262485.

Subtracting from 478873 its reverse (378874), we obtain a palindrome (99999).

The spelling of 478873 in words is "four hundred seventy-eight thousand, eight hundred seventy-three".