16828849 has 2 divisors, whose sum is σ = 16828850. Its totient is φ = 16828848.

The previous prime is 16828841. The next prime is 16828879. The reversal of 16828849 is 94882861.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 11390625 + 5438224 = 3375^2 + 2332^2 .

It is a cyclic number.

It is not a de Polignac number, because 16828849 - 2³ = 16828841 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 16828799 and 16828808.

It is not a weakly prime, because it can be changed into another prime (16828841) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8414424 + 8414425.

It is an arithmetic number, because the mean of its divisors is an integer number (8414425).

Almost surely, 2^16828849 is an apocalyptic number.

It is an amenable number.

16828849 is a deficient number, since it is larger than the sum of its proper divisors (1).

16828849 is an equidigital number, since it uses as much as digits as its factorization.

16828849 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 221184, while the sum is 46.

The square root of 16828849 is about 4102.2980145280. The cubic root of 16828849 is about 256.2623500691.

The spelling of 16828849 in words is "sixteen million, eight hundred twenty-eight thousand, eight hundred forty-nine".