478387 has 12 divisors (see below), whose sum is σ = 600096. Its totient is φ = 378000.

The previous prime is 478351. The next prime is 478391. The reversal of 478387 is 783874.

It is not a de Polignac number, because 478387 - 2⁷ = 478259 is a prime.

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

It is not an unprimeable number, because it can be changed into a prime (478087) 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 11 ways as a sum of consecutive naturals, for example, 262 + ... + 1012.

It is an arithmetic number, because the mean of its divisors is an integer number (50008).

2⁴⁷⁸³⁸⁷ is an apocalyptic number.

478387 is a deficient number, since it is larger than the sum of its proper divisors (121709).

478387 is a wasteful number, since it uses less digits than its factorization.

478387 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 778 (or 771 counting only the distinct ones).

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

The square root of 478387 is about 691.6552609501. The cubic root of 478387 is about 78.2095504892.

The spelling of 478387 in words is "four hundred seventy-eight thousand, three hundred eighty-seven".