16408928 has 12 divisors (see below), whose sum is σ = 32305140. Its totient is φ = 8204448.

The previous prime is 16408921. The next prime is 16408981. The reversal of 16408928 is 82980461.

It is a junction number, because it is equal to n+sod(n) for n = 16408891 and 16408900.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16408921) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 256358 + ... + 256421.

It is an arithmetic number, because the mean of its divisors is an integer number (2692095).

Almost surely, 2^16408928 is an apocalyptic number.

It is an amenable number.

16408928 is a deficient number, since it is larger than the sum of its proper divisors (15896212).

16408928 is an equidigital number, since it uses as much as digits as its factorization.

16408928 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 512789 (or 512781 counting only the distinct ones).

The product of its (nonzero) digits is 27648, while the sum is 38.

The square root of 16408928 is about 4050.7935025128. The cubic root of 16408928 is about 254.1129140233.

The spelling of 16408928 in words is "sixteen million, four hundred eight thousand, nine hundred twenty-eight".