16893828 has 108 divisors (see below), whose sum is σ = 50811852. Its totient is φ = 4717440.

The previous prime is 16893823. The next prime is 16893829. The reversal of 16893828 is 82839861.

16893828 is nontrivially palindromic in base 13.

It can be written as a sum of positive squares in 2 ways, for example, as 2286144 + 14607684 = 1512^2 + 3822^2 .

It is not an unprimeable number, because it can be changed into a prime (16893823) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 107526 + ... + 107682.

Almost surely, 2^16893828 is an apocalyptic number.

16893828 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 16893828, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (25405926).

16893828 is an abundant number, since it is smaller than the sum of its proper divisors (33918024).

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

16893828 is a wasteful number, since it uses less digits than its factorization.

16893828 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 242 (or 230 counting only the distinct ones).

The product of its digits is 165888, while the sum is 45.

The square root of 16893828 is about 4110.2102136022. The cubic root of 16893828 is about 256.5917504036.

The spelling of 16893828 in words is "sixteen million, eight hundred ninety-three thousand, eight hundred twenty-eight".