475218 has 24 divisors (see below), whose sum is σ = 1090908. Its totient is φ = 148992.

The previous prime is 475207. The next prime is 475219. The reversal of 475218 is 812574.

It can be written as a sum of positive squares in 2 ways, for example, as 471969 + 3249 = 687^2 + 57^2 .

It is a hoax number, since the sum of its digits (27) coincides with the sum of the digits of its distinct prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 475191 and 475200.

It is not an unprimeable number, because it can be changed into a prime (475219) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 471 + ... + 1082.

2⁴⁷⁵²¹⁸ is an apocalyptic number.

475218 is an abundant number, since it is smaller than the sum of its proper divisors (615690).

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

475218 is a wasteful number, since it uses less digits than its factorization.

475218 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1578 (or 1575 counting only the distinct ones).

The product of its digits is 2240, while the sum is 27.

The square root of 475218 is about 689.3605732851. The cubic root of 475218 is about 78.0364720952.

The spelling of 475218 in words is "four hundred seventy-five thousand, two hundred eighteen".