475204638 has 16 divisors (see below), whose sum is σ = 1006315920. Its totient is φ = 149083776.

The previous prime is 475204591. The next prime is 475204729. The reversal of 475204638 is 836402574.

It is a happy number.

It is a super-2 number, since 2×475204638² = 451638895953422088, which contains 22 as substring.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 475204596 and 475204605.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2329333 + ... + 2329536.

It is an arithmetic number, because the mean of its divisors is an integer number (62894745).

Almost surely, 2^475204638 is an apocalyptic number.

475204638 is an abundant number, since it is smaller than the sum of its proper divisors (531111282).

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

475204638 is a wasteful number, since it uses less digits than its factorization.

475204638 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4658891.

The product of its (nonzero) digits is 161280, while the sum is 39.

The square root of 475204638 is about 21799.1889298662. The cubic root of 475204638 is about 780.3574068834.

The spelling of 475204638 in words is "four hundred seventy-five million, two hundred four thousand, six hundred thirty-eight".