473904866 has 4 divisors (see below), whose sum is σ = 710857302. Its totient is φ = 236952432.

The previous prime is 473904841. The next prime is 473904881. The reversal of 473904866 is 668409374.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 469372225 + 4532641 = 21665^2 + 2129^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 473904866.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 118476215 + ... + 118476218.

Almost surely, 2^473904866 is an apocalyptic number.

473904866 is a deficient number, since it is larger than the sum of its proper divisors (236952436).

473904866 is a wasteful number, since it uses less digits than its factorization.

473904866 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 236952435.

The product of its (nonzero) digits is 870912, while the sum is 47.

The square root of 473904866 is about 21769.3561227704. The cubic root of 473904866 is about 779.6452835947.

The spelling of 473904866 in words is "four hundred seventy-three million, nine hundred four thousand, eight hundred sixty-six".