478906 has 16 divisors (see below), whose sum is σ = 777600. Its totient is φ = 220528.

The previous prime is 478901. The next prime is 478913. The reversal of 478906 is 609874.

It is not an unprimeable number, because it can be changed into a prime (478901) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1155 + ... + 1513.

It is an arithmetic number, because the mean of its divisors is an integer number (48600).

2⁴⁷⁸⁹⁰⁶ is an apocalyptic number.

478906 is a gapful number since it is divisible by the number (46) formed by its first and last digit.

478906 is a deficient number, since it is larger than the sum of its proper divisors (298694).

478906 is a wasteful number, since it uses less digits than its factorization.

478906 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 413.

The product of its (nonzero) digits is 12096, while the sum is 34.

The square root of 478906 is about 692.0303461554. The cubic root of 478906 is about 78.2378233357.

The spelling of 478906 in words is "four hundred seventy-eight thousand, nine hundred six".