475871646 has 16 divisors (see below), whose sum is σ = 951978384. Its totient is φ = 158584704.

The previous prime is 475871629. The next prime is 475871647. The reversal of 475871646 is 646178574.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 475871595 and 475871604.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (475871647) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 27366 + ... + 41238.

It is an arithmetic number, because the mean of its divisors is an integer number (59498649).

Almost surely, 2^475871646 is an apocalyptic number.

475871646 is an abundant number, since it is smaller than the sum of its proper divisors (476106738).

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

475871646 is a wasteful number, since it uses less digits than its factorization.

475871646 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19595.

The product of its digits is 1128960, while the sum is 48.

The square root of 475871646 is about 21814.4824829745. The cubic root of 475871646 is about 780.7223453054.

The spelling of 475871646 in words is "four hundred seventy-five million, eight hundred seventy-one thousand, six hundred forty-six".