475949638 has 8 divisors (see below), whose sum is σ = 714987288. Its totient is φ = 237620544.

The previous prime is 475949599. The next prime is 475949681. The reversal of 475949638 is 836949574.

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

It is a plaindrome in base 12.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 175456 + ... + 178147.

It is an arithmetic number, because the mean of its divisors is an integer number (89373411).

Almost surely, 2^475949638 is an apocalyptic number.

475949638 is a deficient number, since it is larger than the sum of its proper divisors (239037650).

475949638 is a wasteful number, since it uses less digits than its factorization.

475949638 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 354278.

The product of its digits is 6531840, while the sum is 55.

The square root of 475949638 is about 21816.2700294986. The cubic root of 475949638 is about 780.7649946007.

The spelling of 475949638 in words is "four hundred seventy-five million, nine hundred forty-nine thousand, six hundred thirty-eight".