409768928 has 12 divisors (see below), whose sum is σ = 806732640. Its totient is φ = 204884448.

The previous prime is 409768921. The next prime is 409768937. The reversal of 409768928 is 829867904.

It is a self number, because there is not a number n which added to its sum of digits gives 409768928.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (409768921) by changing a digit.

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 as a sum of consecutive naturals, namely, 6402608 + ... + 6402671.

It is an arithmetic number, because the mean of its divisors is an integer number (67227720).

Almost surely, 2^409768928 is an apocalyptic number.

It is an amenable number.

409768928 is a deficient number, since it is larger than the sum of its proper divisors (396963712).

409768928 is a wasteful number, since it uses less digits than its factorization.

409768928 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12805289 (or 12805281 counting only the distinct ones).

The product of its (nonzero) digits is 1741824, while the sum is 53.

The square root of 409768928 is about 20242.7500108063. The cubic root of 409768928 is about 742.7562949602.

The spelling of 409768928 in words is "four hundred nine million, seven hundred sixty-eight thousand, nine hundred twenty-eight".