16728836 has 6 divisors (see below), whose sum is σ = 29275470. Its totient is φ = 8364416.

The previous prime is 16728827. The next prime is 16728863. The reversal of 16728836 is 63882761.

It is a happy number.

16728836 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 15054400 + 1674436 = 3880^2 + 1294^2 .

It is a junction number, because it is equal to n+sod(n) for n = 16728793 and 16728802.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2091101 + ... + 2091108.

It is an arithmetic number, because the mean of its divisors is an integer number (4879245).

Almost surely, 2^16728836 is an apocalyptic number.

It is an amenable number.

16728836 is a deficient number, since it is larger than the sum of its proper divisors (12546634).

16728836 is a wasteful number, since it uses less digits than its factorization.

16728836 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4182213 (or 4182211 counting only the distinct ones).

The product of its digits is 96768, while the sum is 41.

The square root of 16728836 is about 4090.0899745605. The cubic root of 16728836 is about 255.7536896837.

The spelling of 16728836 in words is "sixteen million, seven hundred twenty-eight thousand, eight hundred thirty-six".