478630 has 16 divisors (see below), whose sum is σ = 899424. Its totient is φ = 183040.

The previous prime is 478627. The next prime is 478631. The reversal of 478630 is 36874.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (478631) 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 7 ways as a sum of consecutive naturals, for example, 811 + ... + 1270.

It is an arithmetic number, because the mean of its divisors is an integer number (56214).

2⁴⁷⁸⁶³⁰ is an apocalyptic number.

478630 is a deficient number, since it is larger than the sum of its proper divisors (420794).

478630 is a wasteful number, since it uses less digits than its factorization.

478630 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2111.

The product of its (nonzero) digits is 4032, while the sum is 28.

The square root of 478630 is about 691.8309041955. The cubic root of 478630 is about 78.2227906092. Note that the first 3 decimals are identical.

The spelling of 478630 in words is "four hundred seventy-eight thousand, six hundred thirty".