476621138 has 16 divisors (see below), whose sum is σ = 833740800. Its totient is φ = 204265908.

The previous prime is 476621059. The next prime is 476621147. The reversal of 476621138 is 831126674.

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, 346706 + ... + 348077.

It is an arithmetic number, because the mean of its divisors is an integer number (52108800).

Almost surely, 2^476621138 is an apocalyptic number.

476621138 is a deficient number, since it is larger than the sum of its proper divisors (357119662).

476621138 is an equidigital number, since it uses as much as digits as its factorization.

476621138 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 694806 (or 694792 counting only the distinct ones).

The product of its digits is 48384, while the sum is 38.

The square root of 476621138 is about 21831.6544952507. The cubic root of 476621138 is about 781.1320063465.

The spelling of 476621138 in words is "four hundred seventy-six million, six hundred twenty-one thousand, one hundred thirty-eight".