475863638 has 8 divisors (see below), whose sum is σ = 714106632. Its totient is φ = 237828096.

The previous prime is 475863637. The next prime is 475863659. The reversal of 475863638 is 836368574.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (475863631) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 45995 + ... + 55382.

It is an arithmetic number, because the mean of its divisors is an integer number (89263329).

Almost surely, 2^475863638 is an apocalyptic number.

475863638 is a deficient number, since it is larger than the sum of its proper divisors (238242994).

475863638 is a wasteful number, since it uses less digits than its factorization.

475863638 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 103726.

The product of its digits is 2903040, while the sum is 50.

The square root of 475863638 is about 21814.2989344146. The cubic root of 475863638 is about 780.7179659315.

It can be divided in two parts, 47 and 5863638, that added together give a palindrome (5863685).

The spelling of 475863638 in words is "four hundred seventy-five million, eight hundred sixty-three thousand, six hundred thirty-eight".