478236 has 24 divisors (see below), whose sum is σ = 1217664. Its totient is φ = 144880.

The previous prime is 478213. The next prime is 478241. The reversal of 478236 is 632874.

It is a congruent number.

It is an unprimeable number.

478236 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is an upside-down number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1680 + ... + 1943.

It is an arithmetic number, because the mean of its divisors is an integer number (50736).

2⁴⁷⁸²³⁶ is an apocalyptic number.

It is an amenable number.

478236 is an abundant number, since it is smaller than the sum of its proper divisors (739428).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

478236 is a wasteful number, since it uses less digits than its factorization.

478236 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3641 (or 3639 counting only the distinct ones).

The product of its digits is 8064, while the sum is 30.

The square root of 478236 is about 691.5460939084. The cubic root of 478236 is about 78.2013208307.

The spelling of 478236 in words is "four hundred seventy-eight thousand, two hundred thirty-six".