473021856 has 120 divisors (see below), whose sum is σ = 1398729024. Its totient is φ = 157464000.

The previous prime is 473021833. The next prime is 473021863. The reversal of 473021856 is 658120374.

473021856 is a `hidden beast` number, since 473 + 0 + 2 + 185 + 6 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a self number, because there is not a number n which added to its sum of digits gives 473021856.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 629481 + ... + 630231.

Almost surely, 2^473021856 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 473021856, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (699364512).

473021856 is an abundant number, since it is smaller than the sum of its proper divisors (925707168).

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

473021856 is an frugal number, since it uses more digits than its factorization.

473021856 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 788 (or 756 counting only the distinct ones).

The product of its (nonzero) digits is 40320, while the sum is 36.

The square root of 473021856 is about 21749.0656351026. The cubic root of 473021856 is about 779.1607541368.

The spelling of 473021856 in words is "four hundred seventy-three million, twenty-one thousand, eight hundred fifty-six".