406508136 has 32 divisors (see below), whose sum is σ = 1018828800. Its totient is φ = 135161600.

The previous prime is 406508129. The next prime is 406508147. The reversal of 406508136 is 631805604.

It is a junction number, because it is equal to n+sod(n) for n = 406508097 and 406508106.

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, 11496 + ... + 30743.

It is an arithmetic number, because the mean of its divisors is an integer number (31838400).

Almost surely, 2^406508136 is an apocalyptic number.

It is an amenable number.

406508136 is an abundant number, since it is smaller than the sum of its proper divisors (612320664).

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

406508136 is a wasteful number, since it uses less digits than its factorization.

406508136 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42649 (or 42645 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 33.

The square root of 406508136 is about 20162.0469198938. The cubic root of 406508136 is about 740.7808509419.

The spelling of 406508136 in words is "four hundred six million, five hundred eight thousand, one hundred thirty-six".