16928728 has 16 divisors (see below), whose sum is σ = 32765760. Its totient is φ = 8191200.

The previous prime is 16928707. The next prime is 16928729. The reversal of 16928728 is 82782961.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16928729) 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 in 3 ways as a sum of consecutive naturals, for example, 33883 + ... + 34378.

It is an arithmetic number, because the mean of its divisors is an integer number (2047860).

Almost surely, 2^16928728 is an apocalyptic number.

It is an amenable number.

16928728 is a deficient number, since it is larger than the sum of its proper divisors (15837032).

16928728 is a wasteful number, since it uses less digits than its factorization.

16928728 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 68298 (or 68294 counting only the distinct ones).

The product of its digits is 96768, while the sum is 43.

The square root of 16928728 is about 4114.4535481641. The cubic root of 16928728 is about 256.7683216456.

The spelling of 16928728 in words is "sixteen million, nine hundred twenty-eight thousand, seven hundred twenty-eight".