473209906 has 16 divisors (see below), whose sum is σ = 765324504. Its totient is φ = 218145024.

The previous prime is 473209897. The next prime is 473209927. The reversal of 473209906 is 609902374.

It can be written as a sum of positive squares in 4 ways, for example, as 365153881 + 108056025 = 19109^2 + 10395^2 .

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, 12426 + ... + 33178.

Almost surely, 2^473209906 is an apocalyptic number.

473209906 is a deficient number, since it is larger than the sum of its proper divisors (292114598).

473209906 is a wasteful number, since it uses less digits than its factorization.

473209906 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21645.

The product of its (nonzero) digits is 81648, while the sum is 40.

The square root of 473209906 is about 21753.3883797444. The cubic root of 473209906 is about 779.2639923316.

The spelling of 473209906 in words is "four hundred seventy-three million, two hundred nine thousand, nine hundred six".