406872484 has 12 divisors (see below), whose sum is σ = 742984704. Its totient is φ = 194591144.

The previous prime is 406872469. The next prime is 406872491. The reversal of 406872484 is 484278604.

It is a self number, because there is not a number n which added to its sum of digits gives 406872484.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2211172 + ... + 2211355.

It is an arithmetic number, because the mean of its divisors is an integer number (61915392).

Almost surely, 2^406872484 is an apocalyptic number.

It is an amenable number.

406872484 is a deficient number, since it is larger than the sum of its proper divisors (336112220).

406872484 is a wasteful number, since it uses less digits than its factorization.

406872484 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4422554 (or 4422552 counting only the distinct ones).

The product of its (nonzero) digits is 344064, while the sum is 43.

The square root of 406872484 is about 20171.0803875251. The cubic root of 406872484 is about 741.0021022947.

The spelling of 406872484 in words is "four hundred six million, eight hundred seventy-two thousand, four hundred eighty-four".