16828744 has 16 divisors (see below), whose sum is σ = 31617900. Its totient is φ = 8397312.

The previous prime is 16828733. The next prime is 16828783. The reversal of 16828744 is 44782861.

It can be written as a sum of positive squares in 2 ways, for example, as 13972644 + 2856100 = 3738^2 + 1690^2 .

It is a junction number, because it is equal to n+sod(n) for n = 16828697 and 16828706.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2704 + ... + 6400.

Almost surely, 2^16828744 is an apocalyptic number.

It is an amenable number.

16828744 is a deficient number, since it is larger than the sum of its proper divisors (14789156).

16828744 is a wasteful number, since it uses less digits than its factorization.

16828744 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4272 (or 4268 counting only the distinct ones).

The product of its digits is 86016, while the sum is 40.

The square root of 16828744 is about 4102.2852168029. The cubic root of 16828744 is about 256.2618171033.

The spelling of 16828744 in words is "sixteen million, eight hundred twenty-eight thousand, seven hundred forty-four".