475537838 has 16 divisors (see below), whose sum is σ = 775680624. Its totient is φ = 217733760.

The previous prime is 475537819. The next prime is 475537849. The reversal of 475537838 is 838735574.

It is a happy number.

It is a super-2 number, since 2×475537838² = 452272470739428488, which contains 22 as substring.

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, 187748 + ... + 190263.

It is an arithmetic number, because the mean of its divisors is an integer number (48480039).

Almost surely, 2^475537838 is an apocalyptic number.

475537838 is a deficient number, since it is larger than the sum of its proper divisors (300142786).

475537838 is a wasteful number, since it uses less digits than its factorization.

475537838 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 378067.

The product of its digits is 2822400, while the sum is 50.

The square root of 475537838 is about 21806.8300768360. The cubic root of 475537838 is about 780.5397524240.

The spelling of 475537838 in words is "four hundred seventy-five million, five hundred thirty-seven thousand, eight hundred thirty-eight".