16814028 has 96 divisors (see below), whose sum is σ = 50577408. Its totient is φ = 4219200.

The previous prime is 16814027. The next prime is 16814033. The reversal of 16814028 is 82041861.

It is a junction number, because it is equal to n+sod(n) for n = 16813986 and 16814004.

It is not an unprimeable number, because it can be changed into a prime (16814027) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 28351 + ... + 28937.

It is an arithmetic number, because the mean of its divisors is an integer number (526848).

Almost surely, 2^16814028 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 16814028, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (25288704).

16814028 is an abundant number, since it is smaller than the sum of its proper divisors (33763380).

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

16814028 is a wasteful number, since it uses less digits than its factorization.

16814028 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 643 (or 641 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 30.

The square root of 16814028 is about 4100.4911900893. The cubic root of 16814028 is about 256.1870987391.

Adding to 16814028 its product of nonzero digits (3072), we get a triangular number (16817100 = T₅₇₉₉).

Adding to 16814028 its reverse (82041861), we get a palindrome (98855889).

It can be divided in two parts, 168 and 14028, that added together give a triangular number (14196 = T₁₆₈).

The spelling of 16814028 in words is "sixteen million, eight hundred fourteen thousand, twenty-eight".