475840 has 28 divisors (see below), whose sum is σ = 1133856. Its totient is φ = 190208.

The previous prime is 475837. The next prime is 475841. The reversal of 475840 is 48574.

475840 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is an Ulam number.

It is a junction number, because it is equal to n+sod(n) for n = 475799 and 475808.

It is not an unprimeable number, because it can be changed into a prime (475841) 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 3 ways as a sum of consecutive naturals, for example, 424 + ... + 1063.

2⁴⁷⁵⁸⁴⁰ is an apocalyptic number.

475840 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

475840 is an abundant number, since it is smaller than the sum of its proper divisors (658016).

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

475840 is a wasteful number, since it uses less digits than its factorization.

475840 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1504 (or 1494 counting only the distinct ones).

The product of its (nonzero) digits is 4480, while the sum is 28.

The square root of 475840 is about 689.8115684736. The cubic root of 475840 is about 78.0705038617.

The spelling of 475840 in words is "four hundred seventy-five thousand, eight hundred forty".