406504406 has 16 divisors (see below), whose sum is σ = 760216320. Its totient is φ = 158378280.

The previous prime is 406504403. The next prime is 406504421. The reversal of 406504406 is 604405604.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (406504403) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1319666 + ... + 1319973.

It is an arithmetic number, because the mean of its divisors is an integer number (47513520).

Almost surely, 2^406504406 is an apocalyptic number.

406504406 is a deficient number, since it is larger than the sum of its proper divisors (353711914).

406504406 is a wasteful number, since it uses less digits than its factorization.

406504406 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2639659.

The product of its (nonzero) digits is 11520, while the sum is 29.

The square root of 406504406 is about 20161.9544191529. The cubic root of 406504406 is about 740.7785852053.

The spelling of 406504406 in words is "four hundred six million, five hundred four thousand, four hundred six".