16928028 has 60 divisors (see below), whose sum is σ = 47669160. Its totient is φ = 5207328.

The previous prime is 16928017. The next prime is 16928047. The reversal of 16928028 is 82082961.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 16927983 and 16928001.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 2203 + ... + 6221.

It is an arithmetic number, because the mean of its divisors is an integer number (794486).

Almost surely, 2^16928028 is an apocalyptic number.

16928028 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 16928028, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (23834580).

16928028 is an abundant number, since it is smaller than the sum of its proper divisors (30741132).

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

16928028 is a wasteful number, since it uses less digits than its factorization.

16928028 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4048 (or 4037 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 36.

The square root of 16928028 is about 4114.3684813103. The cubic root of 16928028 is about 256.7647824882.

The spelling of 16928028 in words is "sixteen million, nine hundred twenty-eight thousand, twenty-eight".