473538638 has 12 divisors (see below), whose sum is σ = 754549512. Its totient is φ = 222841440.

The previous prime is 473538629. The next prime is 473538673. The reversal of 473538638 is 836835374.

It is a junction number, because it is equal to n+sod(n) for n = 473538592 and 473538601.

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 5 ways as a sum of consecutive naturals, for example, 409058 + ... + 410213.

It is an arithmetic number, because the mean of its divisors is an integer number (62879126).

Almost surely, 2^473538638 is an apocalyptic number.

473538638 is a deficient number, since it is larger than the sum of its proper divisors (281010874).

473538638 is a wasteful number, since it uses less digits than its factorization.

473538638 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 819307 (or 819290 counting only the distinct ones).

The product of its digits is 1451520, while the sum is 47.

The square root of 473538638 is about 21760.9429483191. The cubic root of 473538638 is about 779.4443983286. Note that the first 3 decimals are identical.

The spelling of 473538638 in words is "four hundred seventy-three million, five hundred thirty-eight thousand, six hundred thirty-eight".