475688 has 16 divisors (see below), whose sum is σ = 902580. Its totient is φ = 235008.

The previous prime is 475681. The next prime is 475691. The reversal of 475688 is 886574.

475688 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 407044 + 68644 = 638^2 + 262^2 .

It is not an unprimeable number, because it can be changed into a prime (475681) by changing a digit.

475688 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

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 3 ways as a sum of consecutive naturals, for example, 470 + ... + 1082.

2⁴⁷⁵⁶⁸⁸ is an apocalyptic number.

It is an amenable number.

475688 is a deficient number, since it is larger than the sum of its proper divisors (426892).

475688 is a wasteful number, since it uses less digits than its factorization.

475688 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 716 (or 712 counting only the distinct ones).

The product of its digits is 53760, while the sum is 38.

The square root of 475688 is about 689.7013846586. The cubic root of 475688 is about 78.0621901566.

The spelling of 475688 in words is "four hundred seventy-five thousand, six hundred eighty-eight".