16728338 has 16 divisors (see below), whose sum is σ = 27518400. Its totient is φ = 7563600.

The previous prime is 16728319. The next prime is 16728347. The reversal of 16728338 is 83382761.

It is a happy number.

16728338 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2468 + ... + 6288.

It is an arithmetic number, because the mean of its divisors is an integer number (1719900).

Almost surely, 2^16728338 is an apocalyptic number.

16728338 is a deficient number, since it is larger than the sum of its proper divisors (10790062).

16728338 is a wasteful number, since it uses less digits than its factorization.

16728338 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4033.

The product of its digits is 48384, while the sum is 38.

The square root of 16728338 is about 4090.0290952510. The cubic root of 16728338 is about 255.7511518183.

The spelling of 16728338 in words is "sixteen million, seven hundred twenty-eight thousand, three hundred thirty-eight".