16428308 has 24 divisors (see below), whose sum is σ = 31289832. Its totient is φ = 7501824.

The previous prime is 16428301. The next prime is 16428319. The reversal of 16428308 is 80382461.

It can be written as a sum of positive squares in 4 ways, for example, as 2155024 + 14273284 = 1468^2 + 3778^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16428301) 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 in 7 ways as a sum of consecutive naturals, for example, 3416 + ... + 6672.

It is an arithmetic number, because the mean of its divisors is an integer number (1303743).

Almost surely, 2^16428308 is an apocalyptic number.

It is an amenable number.

16428308 is a deficient number, since it is larger than the sum of its proper divisors (14861524).

16428308 is a wasteful number, since it uses less digits than its factorization.

16428308 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3371 (or 3369 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 32.

The square root of 16428308 is about 4053.1849205285. The cubic root of 16428308 is about 254.2129158992.

The spelling of 16428308 in words is "sixteen million, four hundred twenty-eight thousand, three hundred eight".