408416605 has 16 divisors (see below), whose sum is σ = 501421824. Its totient is φ = 319210560.

The previous prime is 408416587. The next prime is 408416641. The reversal of 408416605 is 506614804.

It is not a de Polignac number, because 408416605 - 2⁵ = 408416573 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 171070 + ... + 173440.

It is an arithmetic number, because the mean of its divisors is an integer number (31338864).

Almost surely, 2^408416605 is an apocalyptic number.

It is an amenable number.

408416605 is a deficient number, since it is larger than the sum of its proper divisors (93005219).

408416605 is a wasteful number, since it uses less digits than its factorization.

408416605 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3156.

The product of its (nonzero) digits is 23040, while the sum is 34.

The square root of 408416605 is about 20209.3197559938. The cubic root of 408416605 is about 741.9383108528.

The spelling of 408416605 in words is "four hundred eight million, four hundred sixteen thousand, six hundred five".