16728828 has 24 divisors (see below), whose sum is σ = 39618432. Its totient is φ = 5492784.

The previous prime is 16728827. The next prime is 16728863. The reversal of 16728828 is 82882761.

It is a self number, because there is not a number n which added to its sum of digits gives 16728828.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16728827) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9600 + ... + 11207.

It is an arithmetic number, because the mean of its divisors is an integer number (1650768).

Almost surely, 2^16728828 is an apocalyptic number.

It is an amenable number.

16728828 is an abundant number, since it is smaller than the sum of its proper divisors (22889604).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

16728828 is a wasteful number, since it uses less digits than its factorization.

16728828 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20881 (or 20879 counting only the distinct ones).

The product of its digits is 86016, while the sum is 42.

The square root of 16728828 is about 4090.0889965867. The cubic root of 16728828 is about 255.7536489151.

The spelling of 16728828 in words is "sixteen million, seven hundred twenty-eight thousand, eight hundred twenty-eight".